231086 has 8 divisors (see below), whose sum is σ = 348840. Its totient is φ = 114808.

The previous prime is 231079. The next prime is 231107. The reversal of 231086 is 680132.

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

It is a congruent number.

It is an unprimeable number.

231086 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200 + ... + 708.

It is an arithmetic number, because the mean of its divisors is an integer number (43605).

2²³¹⁰⁸⁶ is an apocalyptic number.

231086 is a deficient number, since it is larger than the sum of its proper divisors (117754).

231086 is a wasteful number, since it uses less digits than its factorization.

231086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 231086 is about 480.7140522182. The cubic root of 231086 is about 61.3655378552.

The spelling of 231086 in words is "two hundred thirty-one thousand, eighty-six".