31860605132 has 12 divisors (see below), whose sum is σ = 57262979760. Its totient is φ = 15499753776.

The previous prime is 31860605111. The next prime is 31860605143. The reversal of 31860605132 is 23150606813.

It is a junction number, because it is equal to n+sod(n) for n = 31860605092 and 31860605101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107637032 + ... + 107637327.

It is an arithmetic number, because the mean of its divisors is an integer number (4771914980).

Almost surely, 2^31860605132 is an apocalyptic number.

It is an amenable number.

31860605132 is a deficient number, since it is larger than the sum of its proper divisors (25402374628).

31860605132 is a wasteful number, since it uses less digits than its factorization.

31860605132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215274400 (or 215274398 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 31860605132 in words is "thirty-one billion, eight hundred sixty million, six hundred five thousand, one hundred thirty-two".