13310013231 has 24 divisors (see below), whose sum is σ = 19945336320. Its totient is φ = 8869914072.

The previous prime is 13310013181. The next prime is 13310013259. The reversal of 13310013231 is 13231001331.

It is a happy number.

It is not a de Polignac number, because 13310013231 - 2²⁵ = 13276458799 is a prime.

It is a super-2 number, since 2×13310013231² (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 (13310063231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 724546 + ... + 742688.

It is an arithmetic number, because the mean of its divisors is an integer number (831055680).

Almost surely, 2^13310013231 is an apocalyptic number.

13310013231 is a deficient number, since it is larger than the sum of its proper divisors (6635323089).

13310013231 is an equidigital number, since it uses as much as digits as its factorization.

13310013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21177 (or 21165 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13310013231 its reverse (13231001331), we get a palindrome (26541014562).

The spelling of 13310013231 in words is "thirteen billion, three hundred ten million, thirteen thousand, two hundred thirty-one".