131231317703004 has 72 divisors (see below), whose sum is σ = 347462520717312. Its totient is φ = 41682774782880.

The previous prime is 131231317702997. The next prime is 131231317703011. The reversal of 131231317703004 is 400307713132131.

131231317703004 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 31 + 317 + 7 + 0 + 300 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (131231317702997) and next prime (131231317703011).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 131231317703004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301097692 + ... + 301533219.

It is an arithmetic number, because the mean of its divisors is an integer number (4825868343296).

Almost surely, 2^{131231317703004} is an apocalyptic number.

It is an amenable number.

131231317703004 is an abundant number, since it is smaller than the sum of its proper divisors (216231203014308).

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

131231317703004 is a wasteful number, since it uses less digits than its factorization.

131231317703004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602631207 (or 602631202 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The spelling of 131231317703004 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, three hundred seventeen million, seven hundred three thousand, four".