231004239 has 16 divisors (see below), whose sum is σ = 313474560. Its totient is φ = 151292160.

The previous prime is 231004231. The next prime is 231004247. The reversal of 231004239 is 932400132.

It is an interprime number because it is at equal distance from previous prime (231004231) and next prime (231004247).

It is not a de Polignac number, because 231004239 - 2³ = 231004231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231004231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37594 + ... + 43304.

It is an arithmetic number, because the mean of its divisors is an integer number (19592160).

Almost surely, 2^231004239 is an apocalyptic number.

231004239 is a deficient number, since it is larger than the sum of its proper divisors (82470321).

231004239 is a wasteful number, since it uses less digits than its factorization.

231004239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 231004239 is about 15198.8236057927. The cubic root of 231004239 is about 613.5829971358.

The spelling of 231004239 in words is "two hundred thirty-one million, four thousand, two hundred thirty-nine".