Fait général: 91331 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 91331 is an uninteresting number.
Culture générale: 91331 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: January 20th is the day in 1992 that Air Inter Flight 148 crashes near Strasbourg, France, killing 82 passengers and five crew members.