204231 has 8 divisors (see below), whose sum is σ = 286720. Its totient is φ = 128952.

The previous prime is 204173. The next prime is 204233. The reversal of 204231 is 132402.

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

It is not a de Polignac number, because 204231 - 2¹⁰ = 203207 is a prime.

It is a super-2 number, since 2×204231² = 83420602722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1735 + ... + 1848.

It is an arithmetic number, because the mean of its divisors is an integer number (35840).

2²⁰⁴²³¹ is an apocalyptic number.

204231 is a deficient number, since it is larger than the sum of its proper divisors (82489).

204231 is a wasteful number, since it uses less digits than its factorization.

204231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3605.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 204231 is about 451.9192405729. The cubic root of 204231 is about 58.8898644407.

Adding to 204231 its reverse (132402), we get a palindrome (336633).

It can be divided in two parts, 204 and 231, that added together give a triangular number (435 = T₂₉).

The spelling of 204231 in words is "two hundred four thousand, two hundred thirty-one".