331373120 has 56 divisors (see below), whose sum is σ = 849791544. Its totient is φ = 122351616.

The previous prime is 331373113. The next prime is 331373191. The reversal of 331373120 is 21373133.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30558784 + 300814336 = 5528^2 + 17344^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35669 + ... + 43988.

It is an arithmetic number, because the mean of its divisors is an integer number (15174849).

Almost surely, 2^331373120 is an apocalyptic number.

It is an amenable number.

331373120 is an abundant number, since it is smaller than the sum of its proper divisors (518418424).

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

331373120 is a wasteful number, since it uses less digits than its factorization.

331373120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79687 (or 79677 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 331373120 is about 18203.6567754943. The cubic root of 331373120 is about 691.9994654010. Note that the first 3 decimals are identical.

The spelling of 331373120 in words is "three hundred thirty-one million, three hundred seventy-three thousand, one hundred twenty".