331324416 has 66 divisors (see below), whose sum is σ = 956718672. Its totient is φ = 110438400.

The previous prime is 331324393. The next prime is 331324421. The reversal of 331324416 is 614423133.

331324416 is a `hidden beast` number, since 331 + 324 + 4 + 1 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 331324416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8760 + ... + 27191.

Almost surely, 2^331324416 is an apocalyptic number.

331324416 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

331324416 is an abundant number, since it is smaller than the sum of its proper divisors (625394256).

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

331324416 is a wasteful number, since it uses less digits than its factorization.

331324416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35977 (or 35956 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 331324416 is about 18202.3189731419. The cubic root of 331324416 is about 691.9655612295.

Adding to 331324416 its reverse (614423133), we get a palindrome (945747549).

The spelling of 331324416 in words is "three hundred thirty-one million, three hundred twenty-four thousand, four hundred sixteen".