31012313133123 has 96 divisors (see below), whose sum is σ = 51685801390080. Its totient is φ = 17552161771200.

The previous prime is 31012313133101. The next prime is 31012313133163. The reversal of 31012313133123 is 32133131321013.

31012313133123 is a `hidden beast` number, since 3 + 1 + 0 + 1 + 2 + 31 + 313 + 312 + 3 = 666.

It is not a de Polignac number, because 31012313133123 - 2²⁴ = 31012296355907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31012313133163) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8294278188 + ... + 8294281926.

It is an arithmetic number, because the mean of its divisors is an integer number (538393764480).

Almost surely, 2^{31012313133123} is an apocalyptic number.

31012313133123 is a deficient number, since it is larger than the sum of its proper divisors (20673488256957).

31012313133123 is a wasteful number, since it uses less digits than its factorization.

31012313133123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6237 (or 6234 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 31012313133123 its reverse (32133131321013), we get a palindrome (63145444454136).

The spelling of 31012313133123 in words is "thirty-one trillion, twelve billion, three hundred thirteen million, one hundred thirty-three thousand, one hundred twenty-three".