304012431 has 12 divisors (see below), whose sum is σ = 443393808. Its totient is φ = 200706624.

The previous prime is 304012421. The next prime is 304012469. The reversal of 304012431 is 134210403.

It is not a de Polignac number, because 304012431 - 2¹⁸ = 303750287 is a prime.

It is a super-2 number, since 2×304012431² = 184847116405059522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304012421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163050 + ... + 164903.

It is an arithmetic number, because the mean of its divisors is an integer number (36949484).

Almost surely, 2^304012431 is an apocalyptic number.

304012431 is a deficient number, since it is larger than the sum of its proper divisors (139381377).

304012431 is a wasteful number, since it uses less digits than its factorization.

304012431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328062 (or 328059 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 304012431 is about 17435.9522538920. The cubic root of 304012431 is about 672.4042463042.

Adding to 304012431 its reverse (134210403), we get a palindrome (438222834).

The spelling of 304012431 in words is "three hundred four million, twelve thousand, four hundred thirty-one".