231022 has 8 divisors (see below), whose sum is σ = 378072. Its totient is φ = 105000.

The previous prime is 231019. The next prime is 231031. The reversal of 231022 is 220132.

231022 is digitally balanced in base 3, 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5229 + ... + 5272.

It is an arithmetic number, because the mean of its divisors is an integer number (47259).

2²³¹⁰²² is an apocalyptic number.

231022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231022 is a deficient number, since it is larger than the sum of its proper divisors (147050).

231022 is a wasteful number, since it uses less digits than its factorization.

231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10514.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 231022 is about 480.6474799684. The cubic root of 231022 is about 61.3598722054.

Adding to 231022 its reverse (220132), we get a palindrome (451154).

It can be divided in two parts, 23102 and 2, that added together give a square (23104 = 152²).

The spelling of 231022 in words is "two hundred thirty-one thousand, twenty-two".