131113011204 has 48 divisors (see below), whose sum is σ = 388482998400. Its totient is φ = 37460860128.

The previous prime is 131113011203. The next prime is 131113011259. The reversal of 131113011204 is 402110311131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (131113011203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86714199 + ... + 86715710.

It is an arithmetic number, because the mean of its divisors is an integer number (8093395800).

Almost surely, 2^131113011204 is an apocalyptic number.

131113011204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131113011204 is an abundant number, since it is smaller than the sum of its proper divisors (257369987196).

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

131113011204 is a wasteful number, since it uses less digits than its factorization.

131113011204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173429929 (or 173429921 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 131113011204 its reverse (402110311131), we get a palindrome (533223322335).

The spelling of 131113011204 in words is "one hundred thirty-one billion, one hundred thirteen million, eleven thousand, two hundred four".