13365025131 has 4 divisors (see below), whose sum is σ = 17820033512. Its totient is φ = 8910016752.

The previous prime is 13365025067. The next prime is 13365025169. The reversal of 13365025131 is 13152056331.

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

It is not a de Polignac number, because 13365025131 - 2⁶ = 13365025067 is a prime.

It is a super-2 number, since 2×13365025131² (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 (13365024131) 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, 2227504186 + ... + 2227504191.

It is an arithmetic number, because the mean of its divisors is an integer number (4455008378).

Almost surely, 2^13365025131 is an apocalyptic number.

13365025131 is a deficient number, since it is larger than the sum of its proper divisors (4455008381).

13365025131 is an equidigital number, since it uses as much as digits as its factorization.

13365025131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455008380.

The product of its (nonzero) digits is 8100, while the sum is 30.

The spelling of 13365025131 in words is "thirteen billion, three hundred sixty-five million, twenty-five thousand, one hundred thirty-one".