131201320102004 has 12 divisors (see below), whose sum is σ = 229602503809728. Its totient is φ = 65600604727800.

The previous prime is 131201320102003. The next prime is 131201320102037. The reversal of 131201320102004 is 400201023102131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201320102003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8244092 + ... + 18176019.

It is an arithmetic number, because the mean of its divisors is an integer number (19133541984144).

Almost surely, 2^{131201320102004} is an apocalyptic number.

It is an amenable number.

131201320102004 is a deficient number, since it is larger than the sum of its proper divisors (98401183707724).

131201320102004 is a wasteful number, since it uses less digits than its factorization.

131201320102004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27661606 (or 27661604 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131201320102004 its reverse (400201023102131), we get a palindrome (531402343204135).

The spelling of 131201320102004 in words is "one hundred thirty-one trillion, two hundred one billion, three hundred twenty million, one hundred two thousand, four".