Fait général: 13831 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 13831 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 13831 is a boring number.
Date historique: November 12th is the day in 1927 that Leon Trotsky is expelled from the Soviet Communist Party, leaving Joseph Stalin in undisputed control of the Soviet Union.