31640053044124 has 48 divisors (see below), whose sum is σ = 64514046760128. Its totient is φ = 13295924149248.

The previous prime is 31640053044077. The next prime is 31640053044169. The reversal of 31640053044124 is 42144035004613.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4215357 + ... + 9002740.

It is an arithmetic number, because the mean of its divisors is an integer number (1344042640836).

Almost surely, 2^{31640053044124} is an apocalyptic number.

It is an amenable number.

31640053044124 is an abundant number, since it is smaller than the sum of its proper divisors (32873993716004).

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

31640053044124 is a wasteful number, since it uses less digits than its factorization.

31640053044124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13219774 (or 13219772 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 31640053044124 its reverse (42144035004613), we get a palindrome (73784088048737).

The spelling of 31640053044124 in words is "thirty-one trillion, six hundred forty billion, fifty-three million, forty-four thousand, one hundred twenty-four".