231249982 has 16 divisors (see below), whose sum is σ = 354557952. Its totient is φ = 113090040.

The previous prime is 231249979. The next prime is 231249983. The reversal of 231249982 is 289942132.

231249982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231249983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11623 + ... + 24445.

It is an arithmetic number, because the mean of its divisors is an integer number (22159872).

Almost surely, 2^231249982 is an apocalyptic number.

231249982 is a deficient number, since it is larger than the sum of its proper divisors (123307970).

231249982 is a wasteful number, since it uses less digits than its factorization.

231249982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13023.

The product of its digits is 62208, while the sum is 40.

The square root of 231249982 is about 15206.9057339092. The cubic root of 231249982 is about 613.8004971704.

The spelling of 231249982 in words is "two hundred thirty-one million, two hundred forty-nine thousand, nine hundred eighty-two".