31113001332 has 72 divisors (see below), whose sum is σ = 90106441152. Its totient is φ = 8867232000.

The previous prime is 31113001319. The next prime is 31113001357. The reversal of 31113001332 is 23310031113.

It is a happy number.

31113001332 is a `hidden beast` number, since 31 + 1 + 1 + 300 + 1 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52894 + ... + 254997.

Almost surely, 2^31113001332 is an apocalyptic number.

It is an amenable number.

31113001332 is an abundant number, since it is smaller than the sum of its proper divisors (58993439820).

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

31113001332 is a wasteful number, since it uses less digits than its factorization.

31113001332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308309 (or 308304 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 31113001332 its reverse (23310031113), we get a palindrome (54423032445).

The spelling of 31113001332 in words is "thirty-one billion, one hundred thirteen million, one thousand, three hundred thirty-two".