304330312 has 32 divisors (see below), whose sum is σ = 670380480. Its totient is φ = 127690560.

The previous prime is 304330297. The next prime is 304330339. The reversal of 304330312 is 213033403.

304330312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 304330312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131868 + ... + 134155.

It is an arithmetic number, because the mean of its divisors is an integer number (20949390).

Almost surely, 2^304330312 is an apocalyptic number.

It is an amenable number.

304330312 is an abundant number, since it is smaller than the sum of its proper divisors (366050168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304330312 is a wasteful number, since it uses less digits than its factorization.

304330312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266053 (or 266049 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 304330312 is about 17445.0655487447. The cubic root of 304330312 is about 672.6385240917.

Adding to 304330312 its reverse (213033403), we get a palindrome (517363715).

The spelling of 304330312 in words is "three hundred four million, three hundred thirty thousand, three hundred twelve".