230131 has 4 divisors (see below), whose sum is σ = 251064. Its totient is φ = 209200.

The previous prime is 230123. The next prime is 230137. The reversal of 230131 is 131032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230131 - 2³ = 230123 is a prime.

It is a super-2 number, since 2×230131² = 105920554322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10450 + ... + 10471.

It is an arithmetic number, because the mean of its divisors is an integer number (62766).

2²³⁰¹³¹ is an apocalyptic number.

230131 is a deficient number, since it is larger than the sum of its proper divisors (20933).

230131 is a wasteful number, since it uses less digits than its factorization.

230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20932.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 230131 is about 479.7197098306. The cubic root of 230131 is about 61.2808868237.

Adding to 230131 its reverse (131032), we get a palindrome (361163).

Subtracting from 230131 its reverse (131032), we obtain a palindrome (99099).

It can be divided in two parts, 2301 and 31, that added together give a palindrome (2332).

The spelling of 230131 in words is "two hundred thirty thousand, one hundred thirty-one".