131101232032404 has 36 divisors (see below), whose sum is σ = 331451246793940. Its totient is φ = 43692964634880.

The previous prime is 131101232032387. The next prime is 131101232032423. The reversal of 131101232032404 is 404230232101131.

131101232032404 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 0 + 12 + 320 + 324 + 0 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5341784112900 + 125759447919504 = 2311230^2 + 11214252^2 .

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

It is a congruent number.

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, 310037557 + ... + 310460124.

Almost surely, 2^{131101232032404} is an apocalyptic number.

It is an amenable number.

131101232032404 is an abundant number, since it is smaller than the sum of its proper divisors (200350014761536).

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

131101232032404 is a wasteful number, since it uses less digits than its factorization.

131101232032404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620503560 (or 620503555 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 131101232032404 its reverse (404230232101131), we get a palindrome (535331464133535).

The spelling of 131101232032404 in words is "one hundred thirty-one trillion, one hundred one billion, two hundred thirty-two million, thirty-two thousand, four hundred four".