131201431431024 has 80 divisors (see below), whose sum is σ = 343715152965120. Its totient is φ = 43117294268160.

The previous prime is 131201431431023. The next prime is 131201431431043. The reversal of 131201431431024 is 420134134102131.

It is a junction number, because it is equal to n+sod(n) for n = 131201431430982 and 131201431431000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201431431023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336539442 + ... + 336929070.

It is an arithmetic number, because the mean of its divisors is an integer number (4296439412064).

Almost surely, 2^{131201431431024} is an apocalyptic number.

It is an amenable number.

131201431431024 is an abundant number, since it is smaller than the sum of its proper divisors (212513721534096).

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

131201431431024 is a wasteful number, since it uses less digits than its factorization.

131201431431024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488518 (or 488512 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 131201431431024 its reverse (420134134102131), we get a palindrome (551335565533155).

The spelling of 131201431431024 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred thirty-one million, four hundred thirty-one thousand, twenty-four".