31 (disambiguation)

31 and Thirty stands for:

• 31, the year 31
• 31 BC, the year 31 BC
• Thirty-one, a number

Thirty-one is the addition of the name of two gambling with playing cards, namely:

• The old French game Trente -et -un, have emerged from the later Seventeen and four and Blackjack
• The card game swimming

See also:

• Disambiguation