31712426432 has 28 divisors (see below), whose sum is σ = 62937679560. Its totient is φ = 15854113536.

The previous prime is 31712426411. The next prime is 31712426477. The reversal of 31712426432 is 23462421713.

It is a junction number, because it is equal to n+sod(n) for n = 31712426392 and 31712426401.

It is a congruent number.

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, 528794 + ... + 585702.

It is an arithmetic number, because the mean of its divisors is an integer number (2247774270).

Almost surely, 2^31712426432 is an apocalyptic number.

31712426432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31712426432 is a deficient number, since it is larger than the sum of its proper divisors (31225253128).

31712426432 is an equidigital number, since it uses as much as digits as its factorization.

31712426432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65628 (or 65618 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The spelling of 31712426432 in words is "thirty-one billion, seven hundred twelve million, four hundred twenty-six thousand, four hundred thirty-two".