331324072 has 32 divisors (see below), whose sum is σ = 645165000. Its totient is φ = 159324928.

The previous prime is 331324061. The next prime is 331324093. The reversal of 331324072 is 270423133.

It can be written as a sum of positive squares in 4 ways, for example, as 94595076 + 236728996 = 9726^2 + 15386^2 .

It is a super-2 number, since 2×331324072² = 219551281373322368, which contains 22 as substring.

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, 59754 + ... + 65062.

Almost surely, 2^331324072 is an apocalyptic number.

It is an amenable number.

331324072 is a deficient number, since it is larger than the sum of its proper divisors (313840928).

331324072 is a wasteful number, since it uses less digits than its factorization.

331324072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5613 (or 5609 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 331324072 is about 18202.3095237940. The cubic root of 331324072 is about 691.9653217500.

The spelling of 331324072 in words is "three hundred thirty-one million, three hundred twenty-four thousand, seventy-two".