13111332131 has 16 divisors (see below), whose sum is σ = 13565694240. Its totient is φ = 12666520320.

The previous prime is 13111332089. The next prime is 13111332139. The reversal of 13111332131 is 13123311131.

It is a cyclic number.

It is not a de Polignac number, because 13111332131 - 2¹⁴ = 13111315747 is a prime.

It is a super-2 number, since 2×13111332131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13111332139) 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, 868415 + ... + 883383.

It is an arithmetic number, because the mean of its divisors is an integer number (847855890).

Almost surely, 2^13111332131 is an apocalyptic number.

13111332131 is a deficient number, since it is larger than the sum of its proper divisors (454362109).

13111332131 is a wasteful number, since it uses less digits than its factorization.

13111332131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15286.

The product of its digits is 162, while the sum is 20.

Adding to 13111332131 its reverse (13123311131), we get a palindrome (26234643262).

The spelling of 13111332131 in words is "thirteen billion, one hundred eleven million, three hundred thirty-two thousand, one hundred thirty-one".