13006558831 has 16 divisors (see below), whose sum is σ = 14920713216. Its totient is φ = 11106507456.

The previous prime is 13006558759. The next prime is 13006558867. The reversal of 13006558831 is 13885560031.

It is a cyclic number.

It is not a de Polignac number, because 13006558831 - 2⁷ = 13006558703 is a prime.

It is a super-2 number, since 2×13006558831² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13006558891) 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, 2202675 + ... + 2208571.

It is an arithmetic number, because the mean of its divisors is an integer number (932544576).

Almost surely, 2^13006558831 is an apocalyptic number.

13006558831 is a deficient number, since it is larger than the sum of its proper divisors (1914154385).

13006558831 is an equidigital number, since it uses as much as digits as its factorization.

13006558831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7038.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 13006558831 in words is "thirteen billion, six million, five hundred fifty-eight thousand, eight hundred thirty-one".