31487080009 has 16 divisors (see below), whose sum is σ = 41565833856. Its totient is φ = 23092128000.

The previous prime is 31487079989. The next prime is 31487080087. The reversal of 31487080009 is 90008078413.

It is a cyclic number.

It is not a de Polignac number, because 31487080009 - 2³¹ = 29339596361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31487080099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12025842 + ... + 12028459.

It is an arithmetic number, because the mean of its divisors is an integer number (2597864616).

Almost surely, 2^31487080009 is an apocalyptic number.

It is an amenable number.

31487080009 is a deficient number, since it is larger than the sum of its proper divisors (10078753847).

31487080009 is a wasteful number, since it uses less digits than its factorization.

31487080009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24054336.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 31487080009 in words is "thirty-one billion, four hundred eighty-seven million, eighty thousand, nine".