13113431131 has 8 divisors (see below), whose sum is σ = 13394142720. Its totient is φ = 12832790568.

The previous prime is 13113431129. The next prime is 13113431143.

13113431131 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13113431131 - 2¹ = 13113431129 is a prime.

It is a super-2 number, since 2×13113431131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13113431171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541770 + ... + 565456.

It is an arithmetic number, because the mean of its divisors is an integer number (1674267840).

Almost surely, 2^13113431131 is an apocalyptic number.

13113431131 is a deficient number, since it is larger than the sum of its proper divisors (280711589).

13113431131 is a wasteful number, since it uses less digits than its factorization.

13113431131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35513.

The product of its digits is 324, while the sum is 22.

The spelling of 13113431131 in words is "thirteen billion, one hundred thirteen million, four hundred thirty-one thousand, one hundred thirty-one".