331130044 has 36 divisors (see below), whose sum is σ = 683349744. Its totient is φ = 139962816.

The previous prime is 331129999. The next prime is 331130053. The reversal of 331130044 is 440031133.

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, 2737 + ... + 25879.

Almost surely, 2^331130044 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 331130044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341674872).

331130044 is an abundant number, since it is smaller than the sum of its proper divisors (352219700).

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

331130044 is a wasteful number, since it uses less digits than its factorization.

331130044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23234 (or 23225 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 331130044 is about 18196.9789800395. The cubic root of 331130044 is about 691.8302205247.

Adding to 331130044 its reverse (440031133), we get a palindrome (771161177).

The spelling of 331130044 in words is "three hundred thirty-one million, one hundred thirty thousand, forty-four".