131031320132 has 24 divisors (see below), whose sum is σ = 232992238752. Its totient is φ = 64468400000.

The previous prime is 131031320113. The next prime is 131031320153. The reversal of 131031320132 is 231023130131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702869 + ... + 869532.

It is an arithmetic number, because the mean of its divisors is an integer number (9708009948).

Almost surely, 2^131031320132 is an apocalyptic number.

It is an amenable number.

131031320132 is a deficient number, since it is larger than the sum of its proper divisors (101960918620).

131031320132 is a wasteful number, since it uses less digits than its factorization.

131031320132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572739 (or 1572737 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131031320132 its reverse (231023130131), we get a palindrome (362054450263).

The spelling of 131031320132 in words is "one hundred thirty-one billion, thirty-one million, three hundred twenty thousand, one hundred thirty-two".