331680363 has 48 divisors (see below), whose sum is σ = 534680064. Its totient is φ = 182226240.

The previous prime is 331680331. The next prime is 331680379. The reversal of 331680363 is 363086133.

It is not a de Polignac number, because 331680363 - 2⁵ = 331680331 is a prime.

It is a super-2 number, since 2×331680363² = 220023726399623538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331682363) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 421056 + ... + 421842.

It is an arithmetic number, because the mean of its divisors is an integer number (11139168).

Almost surely, 2^331680363 is an apocalyptic number.

331680363 is a deficient number, since it is larger than the sum of its proper divisors (202999701).

331680363 is a wasteful number, since it uses less digits than its factorization.

331680363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 331680363 is about 18212.0938664394. The cubic root of 331680363 is about 692.2132690188.

The spelling of 331680363 in words is "three hundred thirty-one million, six hundred eighty thousand, three hundred sixty-three".