331812016 has 20 divisors (see below), whose sum is σ = 658567224. Its totient is φ = 161859200.

The previous prime is 331811993. The next prime is 331812017. The reversal of 331812016 is 610218133.

It is a super-2 number, since 2×331812016² = 220198427923968512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331812017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252250 + ... + 253561.

Almost surely, 2^331812016 is an apocalyptic number.

It is an amenable number.

331812016 is a deficient number, since it is larger than the sum of its proper divisors (326755208).

331812016 is a wasteful number, since it uses less digits than its factorization.

331812016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505860 (or 505854 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 331812016 is about 18215.7079467146. The cubic root of 331812016 is about 692.3048430247.

The spelling of 331812016 in words is "three hundred thirty-one million, eight hundred twelve thousand, sixteen".