31113313023 has 32 divisors (see below), whose sum is σ = 45060744960. Its totient is φ = 18982149120.

The previous prime is 31113312959. The next prime is 31113313073. The reversal of 31113313023 is 32031331113.

It is not a de Polignac number, because 31113313023 - 2⁶ = 31113312959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113313073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2657743 + ... + 2669423.

It is an arithmetic number, because the mean of its divisors is an integer number (1408148280).

Almost surely, 2^31113313023 is an apocalyptic number.

31113313023 is a deficient number, since it is larger than the sum of its proper divisors (13947431937).

31113313023 is a wasteful number, since it uses less digits than its factorization.

31113313023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12279.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 31113313023 its reverse (32031331113), we get a palindrome (63144644136).

The spelling of 31113313023 in words is "thirty-one billion, one hundred thirteen million, three hundred thirteen thousand, twenty-three".