331130131304 has 64 divisors (see below), whose sum is σ = 728222352000. Its totient is φ = 138200961024.

The previous prime is 331130131273. The next prime is 331130131403. The reversal of 331130131304 is 403131031133.

It is a self number, because there is not a number n which added to its sum of digits gives 331130131304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607472 + ... + 1015520.

It is an arithmetic number, because the mean of its divisors is an integer number (11378474250).

Almost surely, 2^331130131304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331130131304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364111176000).

331130131304 is an abundant number, since it is smaller than the sum of its proper divisors (397092220696).

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

331130131304 is a wasteful number, since it uses less digits than its factorization.

331130131304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408442 (or 408438 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 331130131304 its reverse (403131031133), we get a palindrome (734261162437).

The spelling of 331130131304 in words is "three hundred thirty-one billion, one hundred thirty million, one hundred thirty-one thousand, three hundred four".