13131100525 has 12 divisors (see below), whose sum is σ = 16525590112. Its totient is φ = 10348089840.

The previous prime is 13131100519. The next prime is 13131100561. The reversal of 13131100525 is 52500113131.

It is not a de Polignac number, because 13131100525 - 2⁷ = 13131100397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13131100496 and 13131100505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3918057 + ... + 3921406.

Almost surely, 2^13131100525 is an apocalyptic number.

It is an amenable number.

13131100525 is a deficient number, since it is larger than the sum of its proper divisors (3394489587).

13131100525 is an equidigital number, since it uses as much as digits as its factorization.

13131100525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7839540 (or 7839535 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 13131100525 its reverse (52500113131), we get a palindrome (65631213656).

The spelling of 13131100525 in words is "thirteen billion, one hundred thirty-one million, one hundred thousand, five hundred twenty-five".