331989102 has 12 divisors (see below), whose sum is σ = 719309760. Its totient is φ = 110663028.

The previous prime is 331989083. The next prime is 331989139. The reversal of 331989102 is 201989133.

It is a super-2 number, since 2×331989102² = 220433527693532808, which contains 22 as substring.

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, 9221902 + ... + 9221937.

It is an arithmetic number, because the mean of its divisors is an integer number (59942480).

Almost surely, 2^331989102 is an apocalyptic number.

331989102 is an abundant number, since it is smaller than the sum of its proper divisors (387320658).

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

331989102 is a wasteful number, since it uses less digits than its factorization.

331989102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18443847 (or 18443844 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 331989102 is about 18220.5681031081. The cubic root of 331989102 is about 692.4279807112.

The spelling of 331989102 in words is "three hundred thirty-one million, nine hundred eighty-nine thousand, one hundred two".