31133506132 has 24 divisors (see below), whose sum is σ = 56340186336. Its totient is φ = 15045078048.

The previous prime is 31133506111. The next prime is 31133506163. The reversal of 31133506132 is 23160533113.

It is a self number, because there is not a number n which added to its sum of digits gives 31133506132.

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, 1081738 + ... + 1110145.

It is an arithmetic number, because the mean of its divisors is an integer number (2347507764).

Almost surely, 2^31133506132 is an apocalyptic number.

It is an amenable number.

31133506132 is a deficient number, since it is larger than the sum of its proper divisors (25206680204).

31133506132 is a wasteful number, since it uses less digits than its factorization.

31133506132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192007 (or 2192005 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The spelling of 31133506132 in words is "thirty-one billion, one hundred thirty-three million, five hundred six thousand, one hundred thirty-two".