231959 has 8 divisors (see below), whose sum is σ = 285600. Its totient is φ = 183456.

The previous prime is 231947. The next prime is 231961. The reversal of 231959 is 959132.

231959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231959 - 2⁴ = 231943 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 231959.

It is not an unprimeable number, because it can be changed into a prime (231919) 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, 1184 + ... + 1365.

It is an arithmetic number, because the mean of its divisors is an integer number (35700).

2²³¹⁹⁵⁹ is an apocalyptic number.

231959 is a deficient number, since it is larger than the sum of its proper divisors (53641).

231959 is a wasteful number, since it uses less digits than its factorization.

231959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569.

The product of its digits is 2430, while the sum is 29.

The square root of 231959 is about 481.6212204627. The cubic root of 231959 is about 61.4427166169.

The spelling of 231959 in words is "two hundred thirty-one thousand, nine hundred fifty-nine".