13021000131 has 16 divisors (see below), whose sum is σ = 17535847680. Its totient is φ = 8593467360.

The previous prime is 13021000123. The next prime is 13021000163. The reversal of 13021000131 is 13100012031.

It is not a de Polignac number, because 13021000131 - 2³ = 13021000123 is a prime.

It is a super-2 number, since 2×13021000131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13021004131) 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, 1273861 + ... + 1284041.

It is an arithmetic number, because the mean of its divisors is an integer number (1095990480).

Almost surely, 2^13021000131 is an apocalyptic number.

13021000131 is a deficient number, since it is larger than the sum of its proper divisors (4514847549).

13021000131 is a wasteful number, since it uses less digits than its factorization.

13021000131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14426.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 13021000131 its reverse (13100012031), we get a palindrome (26121012162).

The spelling of 13021000131 in words is "thirteen billion, twenty-one million, one hundred thirty-one", and thus it is an aban number.