331163982 has 48 divisors (see below), whose sum is σ = 759957120. Its totient is φ = 104003856.

The previous prime is 331163969. The next prime is 331164007. The reversal of 331163982 is 289361133.

331163982 is a `hidden beast` number, since 3 + 3 + 11 + 639 + 8 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21769 + ... + 33707.

It is an arithmetic number, because the mean of its divisors is an integer number (15832440).

Almost surely, 2^331163982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331163982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379978560).

331163982 is an abundant number, since it is smaller than the sum of its proper divisors (428793138).

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

331163982 is a wasteful number, since it uses less digits than its factorization.

331163982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12037 (or 12034 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 331163982 is about 18197.9114735730. The cubic root of 331163982 is about 691.8538552793.

The spelling of 331163982 in words is "three hundred thirty-one million, one hundred sixty-three thousand, nine hundred eighty-two".