304030231 has 2 divisors, whose sum is σ = 304030232. Its totient is φ = 304030230.

The previous prime is 304030217. The next prime is 304030241. The reversal of 304030231 is 132030403.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304030231 is a prime.

It is a super-2 number, since 2×304030231² = 184868762723826722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304030201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152015115 + 152015116.

It is an arithmetic number, because the mean of its divisors is an integer number (152015116).

Almost surely, 2^304030231 is an apocalyptic number.

304030231 is a deficient number, since it is larger than the sum of its proper divisors (1).

304030231 is an equidigital number, since it uses as much as digits as its factorization.

304030231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 304030231 is about 17436.4626859922. The cubic root of 304030231 is about 672.4173691909.

Adding to 304030231 its reverse (132030403), we get a palindrome (436060634).

The spelling of 304030231 in words is "three hundred four million, thirty thousand, two hundred thirty-one".