231884982 has 96 divisors (see below), whose sum is σ = 593928192. Its totient is φ = 64012032.

The previous prime is 231884977. The next prime is 231885007. The reversal of 231884982 is 289488132.

231884982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 687918 + ... + 688254.

It is an arithmetic number, because the mean of its divisors is an integer number (6186752).

Almost surely, 2^231884982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231884982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296964096).

231884982 is an abundant number, since it is smaller than the sum of its proper divisors (362043210).

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

231884982 is a wasteful number, since it uses less digits than its factorization.

231884982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 519 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 231884982 is about 15227.7700928271. The cubic root of 231884982 is about 614.3618047494.

The spelling of 231884982 in words is "two hundred thirty-one million, eight hundred eighty-four thousand, nine hundred eighty-two".