131311253424 has 80 divisors (see below), whose sum is σ = 377911749600. Its totient is φ = 39010234368.

The previous prime is 131311253401. The next prime is 131311253429. The reversal of 131311253424 is 424352113131.

It is a junction number, because it is equal to n+sod(n) for n = 131311253391 and 131311253400.

It is not an unprimeable number, because it can be changed into a prime (131311253429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3610089 + ... + 3646280.

It is an arithmetic number, because the mean of its divisors is an integer number (4723896870).

Almost surely, 2^131311253424 is an apocalyptic number.

It is an amenable number.

131311253424 is an abundant number, since it is smaller than the sum of its proper divisors (246600496176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131311253424 is a wasteful number, since it uses less digits than its factorization.

131311253424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7256422 (or 7256416 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

Adding to 131311253424 its reverse (424352113131), we get a palindrome (555663366555).

The spelling of 131311253424 in words is "one hundred thirty-one billion, three hundred eleven million, two hundred fifty-three thousand, four hundred twenty-four".