31063131132 has 72 divisors (see below), whose sum is σ = 81019344000. Its totient is φ = 9253500960.

The previous prime is 31063131107. The next prime is 31063131133. The reversal of 31063131132 is 23113136013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31063131133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95632 + ... + 266967.

Almost surely, 2^31063131132 is an apocalyptic number.

It is an amenable number.

31063131132 is an abundant number, since it is smaller than the sum of its proper divisors (49956212868).

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

31063131132 is a wasteful number, since it uses less digits than its factorization.

31063131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362687 (or 362674 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31063131132 its reverse (23113136013), we get a palindrome (54176267145).

The spelling of 31063131132 in words is "thirty-one billion, sixty-three million, one hundred thirty-one thousand, one hundred thirty-two".