231005982 has 16 divisors (see below), whose sum is σ = 462192912. Its totient is φ = 76971840.

The previous prime is 231005977. The next prime is 231005993. The reversal of 231005982 is 289500132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13632 + ... + 25452.

It is an arithmetic number, because the mean of its divisors is an integer number (28887057).

Almost surely, 2^231005982 is an apocalyptic number.

231005982 is an abundant number, since it is smaller than the sum of its proper divisors (231186930).

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

231005982 is a wasteful number, since it uses less digits than its factorization.

231005982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15083.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 231005982 is about 15198.8809456486. The cubic root of 231005982 is about 613.5845403578.

The spelling of 231005982 in words is "two hundred thirty-one million, five thousand, nine hundred eighty-two".