131031301244232 has 64 divisors (see below), whose sum is σ = 329447522880000. Its totient is φ = 43428573517824.

The previous prime is 131031301244147. The next prime is 131031301244293. The reversal of 131031301244232 is 232442103130131.

It is a self number, because there is not a number n which added to its sum of digits gives 131031301244232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19201432 + ... + 25114887.

It is an arithmetic number, because the mean of its divisors is an integer number (5147617545000).

Almost surely, 2^{131031301244232} is an apocalyptic number.

131031301244232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131031301244232 is an abundant number, since it is smaller than the sum of its proper divisors (198416221635768).

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

131031301244232 is a wasteful number, since it uses less digits than its factorization.

131031301244232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44317030 (or 44317026 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 131031301244232 its reverse (232442103130131), we get a palindrome (363473404374363).

The spelling of 131031301244232 in words is "one hundred thirty-one trillion, thirty-one billion, three hundred one million, two hundred forty-four thousand, two hundred thirty-two".