331304416 has 12 divisors (see below), whose sum is σ = 652255632. Its totient is φ = 165652192.

The previous prime is 331304399. The next prime is 331304423. The reversal of 331304416 is 614403133.

It is a happy number.

It is a super-2 number, since 2×331304416² = 219525232122202112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 5176600 + ... + 5176663.

It is an arithmetic number, because the mean of its divisors is an integer number (54354636).

Almost surely, 2^331304416 is an apocalyptic number.

It is an amenable number.

331304416 is a deficient number, since it is larger than the sum of its proper divisors (320951216).

331304416 is a wasteful number, since it uses less digits than its factorization.

331304416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10353273 (or 10353265 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 331304416 is about 18201.7695843014. The cubic root of 331304416 is about 691.9516377263.

Adding to 331304416 its reverse (614403133), we get a palindrome (945707549).

The spelling of 331304416 in words is "three hundred thirty-one million, three hundred four thousand, four hundred sixteen".