31248022332 has 24 divisors (see below), whose sum is σ = 72915083136. Its totient is φ = 10415574448.

The previous prime is 31248022283. The next prime is 31248022343. The reversal of 31248022332 is 23322084213.

It is a super-2 number, since 2×31248022332² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31248022332.

It is a congruent number.

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, 396913 + ... + 469079.

It is an arithmetic number, because the mean of its divisors is an integer number (3038128464).

Almost surely, 2^31248022332 is an apocalyptic number.

It is an amenable number.

31248022332 is an abundant number, since it is smaller than the sum of its proper divisors (41667060804).

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

31248022332 is a wasteful number, since it uses less digits than its factorization.

31248022332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108257 (or 108255 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 31248022332 in words is "thirty-one billion, two hundred forty-eight million, twenty-two thousand, three hundred thirty-two".