331861996 has 12 divisors (see below), whose sum is σ = 581028448. Its totient is φ = 165853872.

The previous prime is 331861973. The next prime is 331862057. The reversal of 331861996 is 699168133.

It is a super-2 number, since 2×331861996² = 220264768778208032, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8991 + ... + 27286.

Almost surely, 2^331861996 is an apocalyptic number.

It is an amenable number.

331861996 is a deficient number, since it is larger than the sum of its proper divisors (249166452).

331861996 is a wasteful number, since it uses less digits than its factorization.

331861996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38568 (or 38566 counting only the distinct ones).

The product of its digits is 209952, while the sum is 46.

The square root of 331861996 is about 18217.0797879353. The cubic root of 331861996 is about 692.3396013188.

The spelling of 331861996 in words is "three hundred thirty-one million, eight hundred sixty-one thousand, nine hundred ninety-six".