13143506131 has 12 divisors (see below), whose sum is σ = 15291688680. Its totient is φ = 11264164800.

The previous prime is 13143506113. The next prime is 13143506171. The reversal of 13143506131 is 13160534131.

It is not a de Polignac number, because 13143506131 - 2⁵ = 13143506099 is a prime.

It is a super-2 number, since 2×13143506131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13143506131.

It is not an unprimeable number, because it can be changed into a prime (13143506171) 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, 394056 + ... + 426106.

It is an arithmetic number, because the mean of its divisors is an integer number (1274307390).

Almost surely, 2^13143506131 is an apocalyptic number.

13143506131 is a deficient number, since it is larger than the sum of its proper divisors (2148182549).

13143506131 is an equidigital number, since it uses as much as digits as its factorization.

13143506131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40434 (or 40427 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 13143506131 in words is "thirteen billion, one hundred forty-three million, five hundred six thousand, one hundred thirty-one".