Thirty-One

End of my tether, don't say that word! Areas of this article contain spoilers about Thirty-One. Please proceed with caution. Read at your own risk.

Thirty-One
Debut	The Big One (Compound) Figure It Out (Figured-out)
Latest Appearance	Figure It Out What If? (cameo)
Pronouns	he/him
Number (in blocks)	31 blocks
Factorization	prime
Main Block Shape	7x4+3L
Voiced by	Beth Chalmers (compound) David Holt (Figured-out)
Numberblock Select
Previous	Thirty
Next	Thirty-Two

Thirty-One, or 31, is a Numberblock made up of 31 blocks.

Personality

Not much is known about him, other than the fact that he loves calendars.

Appearance

Thirty-One has red eyebrows, red eyes, a red mouth, and red limbs. Something special is that he has calendar hooks to make him look like a calendar.

Episode Appearances

• The Big One (compound)
• Figure It Out (compound and figured-out)
• What If? (calendar)
  • Total: 1 (figured-out) 2 (compound) 2 (31's calendar)

Gallery

Thirty-One in his "Three Tens and One" shape. Note that his calendar hooks are missing.

Another bald Thirty-One.

Yet another bald Thirty-One.

Arrangements

Thirty-One's main arrangement his calendar arrangement, and it is his only (figured-out) arrangement seen in the show. 2D (21/74,541,651,404,935,148) Figured-Out (5) Three Tens and One ((3x9)L+4) Calendar (7x4+3L) Flipped Calendar (7x4+3R) Three Tens and One Low ((6x4)L+7) Three Tens and One Mid ((5x5)L+6) Compound Only (14) Vertical (1x31) Horizontal (31x1) Flipped Three Tens and One (4+(3x9)L) Odd Block Left (1L+2x15) Odd Block Right (1R+2x15) Three Blocks Wide (1L+3x10) Four Blocks Wide (3L+4x7) Eight Blocks Wide (7L+8x3) Sixteen Blocks Wide (15L+16) Incomplete Outline (4[>]4+(1[>7]1)x7+9) 1CR+2C+4C+8x2+4C+(2x2)C Zigzag (1c8+2c7+2c6+2c5+2c4+2c3+2c2+2L+2c2+2c3+2C+2c5+2C+2c3+2c2+2L) Zigzag 2 (3c3+3c2+(3x2)L+3c2+3c3+3c4+3c3+3c2+3L+1c2) Vertically Flipped Three Tens and One (4+(3x9)R) Pattern Wall (2) Arrow (1C+3C+5C+7C+9+(1x6)C) Butterfly (1C+2c4+3c3+5CL+9+5CR+3c5+2c5+1C)

Trivia

• He is the first male Numberblock whose Numberling ends with a 1. The second is Eighty-One.
  • He is also the only male Numberblock figured-out onscreen with a compound counterpart made of females.
• He is the second Numberblock to be male, but made from females, the first being Thirteen.
• His calendar rings disappear when he's not in his calendar arrangement, as seen in the Numberblocks World app.
• He is the first Numberblock in the 30s to be figured out.
  • He is also the first Numberblock in the 30s with the opposite gender of both his digits.
• Thirty-One shares his face style with Twenty-Three and Twenty-Nine, because they are all male primes.
• He has the least appearances out of all physical Numberblocks, with only one episode.

Numberblocks characters

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Numberblocks	Discovered	Zero, One, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Eleven, Twelve, Thirteen, Fourteen, Fifteen, Sixteen, Seventeen, Eighteen, Nineteen, Twenty, Twenty-One, Twenty-Two, Twenty-Three, Twenty-Four, Twenty-Five, Twenty-Six, Twenty-Seven, Twenty-Eight, Twenty-Nine, Thirty, Thirty-One, Thirty-Two, Thirty-Five, Thirty-Six, Forty, Forty-Five, Forty-Nine, Fifty, Fifty-Five, Sixty, Sixty-Four, Seventy, Eighty, Eighty-One, Ninety, One Hundred, Seven Thousand, Ninety Thousand
	Undiscovered / Non-physical	Forty-Two, Ninety-Nine, Two Hundred, Three Hundred, Nine Hundred, Orders of Magnitude, Compound Numberblocks
	Alter-Egos	Big Bad Square, The Terrible Twos, Octoblock, The Three Threes, Octonaughty, Step Squad, The Four Fours
	Non-integers	Pi
Monsters		Flapjack Snaffler, Blockzilla, Big Tum, Twangle
Times Tables		One Times Table, Two Times Table, Three Times Table, Four Times Table, Five Times Table, Ten Times Table
Other		Fluffies, Squarey, Oblongy, Numberblobs, Aliens, Rainbows, Flatlanders, What-Iffer