304231 has 4 divisors (see below), whose sum is σ = 310752. Its totient is φ = 297712.

The previous prime is 304223. The next prime is 304253. The reversal of 304231 is 132403.

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 304231 - 2³ = 304223 is a prime.

It is a super-2 number, since 2×304231² = 185113002722, 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 (304211) 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, 3190 + ... + 3283.

It is an arithmetic number, because the mean of its divisors is an integer number (77688).

2³⁰⁴²³¹ is an apocalyptic number.

304231 is a deficient number, since it is larger than the sum of its proper divisors (6521).

304231 is an equidigital number, since it uses as much as digits as its factorization.

304231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6520.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 304231 is about 551.5713915714. The cubic root of 304231 is about 67.2565348836.

Adding to 304231 its reverse (132403), we get a palindrome (436634).

It can be divided in two parts, 304 and 231, that added together give a palindrome (535).

The spelling of 304231 in words is "three hundred four thousand, two hundred thirty-one".