304330213 has 16 divisors (see below), whose sum is σ = 335774016. Its totient is φ = 273536640.

The previous prime is 304330157. The next prime is 304330223. The reversal of 304330213 is 312033403.

It is a cyclic number.

It is not a de Polignac number, because 304330213 - 2¹⁷ = 304199141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304330223) 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, 540270 + ... + 540832.

It is an arithmetic number, because the mean of its divisors is an integer number (20985876).

Almost surely, 2^304330213 is an apocalyptic number.

It is an amenable number.

304330213 is a deficient number, since it is larger than the sum of its proper divisors (31443803).

304330213 is a wasteful number, since it uses less digits than its factorization.

304330213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044.

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

The square root of 304330213 is about 17445.0627112659. The cubic root of 304330213 is about 672.6384511542.

Adding to 304330213 its reverse (312033403), we get a palindrome (616363616).

The spelling of 304330213 in words is "three hundred four million, three hundred thirty thousand, two hundred thirteen".