31315552332 has 24 divisors (see below), whose sum is σ = 73074254400. Its totient is φ = 10437855696.

The previous prime is 31315552327. The next prime is 31315552343. The reversal of 31315552332 is 23325551313.

It is a junction number, because it is equal to n+sod(n) for n = 31315552293 and 31315552302.

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, 138019 + ... + 285797.

It is an arithmetic number, because the mean of its divisors is an integer number (3044760600).

Almost surely, 2^31315552332 is an apocalyptic number.

It is an amenable number.

31315552332 is an abundant number, since it is smaller than the sum of its proper divisors (41758702068).

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

31315552332 is a wasteful number, since it uses less digits than its factorization.

31315552332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165445 (or 165443 counting only the distinct ones).

The product of its digits is 40500, while the sum is 33.

The spelling of 31315552332 in words is "thirty-one billion, three hundred fifteen million, five hundred fifty-two thousand, three hundred thirty-two".