131322430525 has 24 divisors (see below), whose sum is σ = 191308317984. Its totient is φ = 88160510400.

The previous prime is 131322430507. The next prime is 131322430579. The reversal of 131322430525 is 525034223131.

It is not a de Polignac number, because 131322430525 - 2⁹ = 131322430013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18363199 + ... + 18370348.

It is an arithmetic number, because the mean of its divisors is an integer number (7971179916).

Almost surely, 2^131322430525 is an apocalyptic number.

It is an amenable number.

131322430525 is a deficient number, since it is larger than the sum of its proper divisors (59985887459).

131322430525 is a wasteful number, since it uses less digits than its factorization.

131322430525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36733581 (or 36733576 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 131322430525 its reverse (525034223131), we get a palindrome (656356653656).

The spelling of 131322430525 in words is "one hundred thirty-one billion, three hundred twenty-two million, four hundred thirty thousand, five hundred twenty-five".