131404424344524 has 36 divisors (see below), whose sum is σ = 332176220450256. Its totient is φ = 43799491921248.

The previous prime is 131404424344519. The next prime is 131404424344553. The reversal of 131404424344524 is 425443424404131.

131404424344524 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 0 + 4 + 42 + 43 + 44 + 524 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 131404424344524.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81812784 + ... + 83403479.

Almost surely, 2^{131404424344524} is an apocalyptic number.

It is an amenable number.

131404424344524 is an abundant number, since it is smaller than the sum of its proper divisors (200771796105732).

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

131404424344524 is a wasteful number, since it uses less digits than its factorization.

131404424344524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165238366 (or 165238361 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 45.

Adding to 131404424344524 its reverse (425443424404131), we get a palindrome (556847848748655).

The spelling of 131404424344524 in words is "one hundred thirty-one trillion, four hundred four billion, four hundred twenty-four million, three hundred forty-four thousand, five hundred twenty-four".