230631 has 8 divisors (see below), whose sum is σ = 312960. Its totient is φ = 151032.

The previous prime is 230611. The next prime is 230647. The reversal of 230631 is 136032.

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

It is not a de Polignac number, because 230631 - 2⁶ = 230567 is a prime.

It is a super-2 number, since 2×230631² = 106381316322, which contains 22 as substring.

230631 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 230631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230611) 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, 475 + ... + 828.

It is an arithmetic number, because the mean of its divisors is an integer number (39120).

2²³⁰⁶³¹ is an apocalyptic number.

230631 is a deficient number, since it is larger than the sum of its proper divisors (82329).

230631 is a wasteful number, since it uses less digits than its factorization.

230631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 230631 is about 480.2405647173. The cubic root of 230631 is about 61.3252358823.

Adding to 230631 its reverse (136032), we get a palindrome (366663).

It can be divided in two parts, 230 and 631, that added together give a triangular number (861 = T₄₁).

The spelling of 230631 in words is "two hundred thirty thousand, six hundred thirty-one".