Fatto generale: 71313 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 71313 is an uninteresting number.
Trivia: 71313 is an unremarkable number.
Data storica: March 31st is the day in 1918 that Massacre of ethnic Azerbaijanis is committed by allied armed groups of Armenian Revolutionary Federation and Bolsheviks.