3131102221023 has 12 divisors (see below), whose sum is σ = 4856403445080. Its totient is φ = 1789201269072.

The previous prime is 3131102220943. The next prime is 3131102221033. The reversal of 3131102221023 is 3201222011313.

3131102221023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3131102221023 - 2⁸ = 3131102220767 is a prime.

It is a super-2 number, since 2×3131102221023² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131102221033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10650007408 + ... + 10650007701.

It is an arithmetic number, because the mean of its divisors is an integer number (404700287090).

Almost surely, 2^{3131102221023} is an apocalyptic number.

3131102221023 is a deficient number, since it is larger than the sum of its proper divisors (1725301224057).

3131102221023 is a wasteful number, since it uses less digits than its factorization.

3131102221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21300015126 (or 21300015119 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3131102221023 its reverse (3201222011313), we get a palindrome (6332324232336).

The spelling of 3131102221023 in words is "three trillion, one hundred thirty-one billion, one hundred two million, two hundred twenty-one thousand, twenty-three".