231183 has 12 divisors (see below), whose sum is σ = 353808. Its totient is φ = 144960.

The previous prime is 231169. The next prime is 231197. The reversal of 231183 is 381132.

It is an interprime number because it is at equal distance from previous prime (231169) and next prime (231197).

It is not a de Polignac number, because 231183 - 2¹³ = 222991 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 603 + ... + 908.

It is an arithmetic number, because the mean of its divisors is an integer number (29484).

2²³¹¹⁸³ is an apocalyptic number.

231183 is a deficient number, since it is larger than the sum of its proper divisors (122625).

231183 is a wasteful number, since it uses less digits than its factorization.

231183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1531 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 231183 is about 480.8149332124. The cubic root of 231183 is about 61.3741228618.

It can be divided in two parts, 231 and 183, that added together give a palindrome (414).

The spelling of 231183 in words is "two hundred thirty-one thousand, one hundred eighty-three".