304233213 has 16 divisors (see below), whose sum is σ = 433128960. Its totient is φ = 189490224.

The previous prime is 304233211. The next prime is 304233247. The reversal of 304233213 is 312332403.

It is not a de Polignac number, because 304233213 - 2¹ = 304233211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 304233213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304233211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48303 + ... + 54236.

It is an arithmetic number, because the mean of its divisors is an integer number (27070560).

Almost surely, 2^304233213 is an apocalyptic number.

It is an amenable number.

304233213 is a deficient number, since it is larger than the sum of its proper divisors (128895747).

304233213 is a wasteful number, since it uses less digits than its factorization.

304233213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102608.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 304233213 is about 17442.2823334562. The cubic root of 304233213 is about 672.5669795967.

Adding to 304233213 its reverse (312332403), we get a palindrome (616565616).

The spelling of 304233213 in words is "three hundred four million, two hundred thirty-three thousand, two hundred thirteen".