331100120 has 32 divisors (see below), whose sum is σ = 802282320. Its totient is φ = 122252160.

The previous prime is 331100117. The next prime is 331100149. The reversal of 331100120 is 21001133.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317846 + ... + 318885.

Almost surely, 2^331100120 is an apocalyptic number.

It is an amenable number.

331100120 is an abundant number, since it is smaller than the sum of its proper divisors (471182200).

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

331100120 is a wasteful number, since it uses less digits than its factorization.

331100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636755 (or 636751 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 331100120 is about 18196.1567370695. The cubic root of 331100120 is about 691.8093798192.

Adding to 331100120 its reverse (21001133), we get a palindrome (352101253).

The spelling of 331100120 in words is "three hundred thirty-one million, one hundred thousand, one hundred twenty".