13119392131 has 4 divisors (see below), whose sum is σ = 13119633000. Its totient is φ = 13119151264.

The previous prime is 13119392129. The next prime is 13119392171. The reversal of 13119392131 is 13129391131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13119392131 - 2¹ = 13119392129 is a prime.

It is a super-2 number, since 2×13119392131² (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 (13119392171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4395 + ... + 162043.

It is an arithmetic number, because the mean of its divisors is an integer number (3279908250).

Almost surely, 2^13119392131 is an apocalyptic number.

13119392131 is a deficient number, since it is larger than the sum of its proper divisors (240869).

13119392131 is an equidigital number, since it uses as much as digits as its factorization.

13119392131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240868.

The product of its digits is 4374, while the sum is 34.

The spelling of 13119392131 in words is "thirteen billion, one hundred nineteen million, three hundred ninety-two thousand, one hundred thirty-one".