331913924 has 12 divisors (see below), whose sum is σ = 589030848. Its totient is φ = 163619400.

The previous prime is 331913909. The next prime is 331913927. The reversal of 331913924 is 429319133.

It is a super-2 number, since 2×331913924² = 220333705890155552, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (331913927) 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, 584072 + ... + 584639.

It is an arithmetic number, because the mean of its divisors is an integer number (49085904).

Almost surely, 2^331913924 is an apocalyptic number.

It is an amenable number.

331913924 is a deficient number, since it is larger than the sum of its proper divisors (257116924).

331913924 is a wasteful number, since it uses less digits than its factorization.

331913924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168786 (or 1168784 counting only the distinct ones).

The product of its digits is 17496, while the sum is 35.

The square root of 331913924 is about 18218.5049880609. The cubic root of 331913924 is about 692.3757106415.

The spelling of 331913924 in words is "three hundred thirty-one million, nine hundred thirteen thousand, nine hundred twenty-four".