general_fact: 43317 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 43317 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 43317 is an unremarkable number.
historical_date: August 6th is the day in 1996 that NASA announces that the ALH 84001 meteorite, thought to originate from Mars, contains evidence of primitive life-forms.