31707469986 has 32 divisors (see below), whose sum is σ = 66118256640. Its totient is φ = 10124343936.

The previous prime is 31707469961. The next prime is 31707469993. The reversal of 31707469986 is 68996470713.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695331 + ... + 739526.

It is an arithmetic number, because the mean of its divisors is an integer number (2066195520).

Almost surely, 2^31707469986 is an apocalyptic number.

31707469986 is an abundant number, since it is smaller than the sum of its proper divisors (34410786654).

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

31707469986 is a wasteful number, since it uses less digits than its factorization.

31707469986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435018.

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 31707469986 in words is "thirty-one billion, seven hundred seven million, four hundred sixty-nine thousand, nine hundred eighty-six".