13213023031 has 16 divisors (see below), whose sum is σ = 14382624256. Its totient is φ = 12065560416.

The previous prime is 13213023023. The next prime is 13213023059. The reversal of 13213023031 is 13032031231.

It is not a de Polignac number, because 13213023031 - 2³ = 13213023023 is a prime.

It is a super-2 number, since 2×13213023031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213023431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1418716 + ... + 1427998.

It is an arithmetic number, because the mean of its divisors is an integer number (898914016).

Almost surely, 2^13213023031 is an apocalyptic number.

13213023031 is a deficient number, since it is larger than the sum of its proper divisors (1169601225).

13213023031 is a wasteful number, since it uses less digits than its factorization.

13213023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10462.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13213023031 its reverse (13032031231), we get a palindrome (26245054262).

The spelling of 13213023031 in words is "thirteen billion, two hundred thirteen million, twenty-three thousand, thirty-one".