31680859032 has 24 divisors (see below), whose sum is σ = 85802326740. Its totient is φ = 10560286320.

The previous prime is 31680858967. The next prime is 31680859043. The reversal of 31680859032 is 23095808613.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220005894 + ... + 220006037.

Almost surely, 2^31680859032 is an apocalyptic number.

It is an amenable number.

31680859032 is an abundant number, since it is smaller than the sum of its proper divisors (54121467708).

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

31680859032 is a wasteful number, since it uses less digits than its factorization.

31680859032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440011943 (or 440011936 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 31680859032 in words is "thirty-one billion, six hundred eighty million, eight hundred fifty-nine thousand, thirty-two".