31321112002132 has 24 divisors (see below), whose sum is σ = 55286718798080. Its totient is φ = 15525361069920.

The previous prime is 31321112002057. The next prime is 31321112002153. The reversal of 31321112002132 is 23120021112313.

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, 56528844 + ... + 57080227.

Almost surely, 2^{31321112002132} is an apocalyptic number.

It is an amenable number.

31321112002132 is a deficient number, since it is larger than the sum of its proper divisors (23965606795948).

31321112002132 is a wasteful number, since it uses less digits than its factorization.

31321112002132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113609671 (or 113609669 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31321112002132 its reverse (23120021112313), we get a palindrome (54441133114445).

The spelling of 31321112002132 in words is "thirty-one trillion, three hundred twenty-one billion, one hundred twelve million, two thousand, one hundred thirty-two".