31354345232 has 40 divisors (see below), whose sum is σ = 71303906496. Its totient is φ = 13074397056.

The previous prime is 31354345201. The next prime is 31354345241. The reversal of 31354345232 is 23254345313.

It is a super-2 number, since 2×31354345232² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31354345192 and 31354345201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3778958 + ... + 3787245.

Almost surely, 2^31354345232 is an apocalyptic number.

It is an amenable number.

31354345232 is an abundant number, since it is smaller than the sum of its proper divisors (39949561264).

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

31354345232 is a wasteful number, since it uses less digits than its factorization.

31354345232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7566255 (or 7566249 counting only the distinct ones).

The product of its digits is 129600, while the sum is 35.

The spelling of 31354345232 in words is "thirty-one billion, three hundred fifty-four million, three hundred forty-five thousand, two hundred thirty-two".