231006974 has 32 divisors (see below), whose sum is σ = 388786176. Its totient is φ = 102042720.

The previous prime is 231006973. The next prime is 231006991. The reversal of 231006974 is 479600132.

It is a self number, because there is not a number n which added to its sum of digits gives 231006974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231006973) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 161627 + ... + 163049.

It is an arithmetic number, because the mean of its divisors is an integer number (12149568).

Almost surely, 2^231006974 is an apocalyptic number.

231006974 is a deficient number, since it is larger than the sum of its proper divisors (157779202).

231006974 is a wasteful number, since it uses less digits than its factorization.

231006974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 231006974 is about 15198.9135795951. The cubic root of 231006974 is about 613.5854186539.

The spelling of 231006974 in words is "two hundred thirty-one million, six thousand, nine hundred seventy-four".