31009065080 has 64 divisors (see below), whose sum is σ = 81892693440. Its totient is φ = 10344333312.

The previous prime is 31009065079. The next prime is 31009065173. The reversal of 31009065080 is 8056090013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486217 + ... + 1506936.

It is an arithmetic number, because the mean of its divisors is an integer number (1279573335).

Almost surely, 2^31009065080 is an apocalyptic number.

It is an amenable number.

31009065080 is an abundant number, since it is smaller than the sum of its proper divisors (50883628360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31009065080 is a wasteful number, since it uses less digits than its factorization.

31009065080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993208 (or 2993204 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 31009065080 in words is "thirty-one billion, nine million, sixty-five thousand, eighty".