304132213 has 16 divisors (see below), whose sum is σ = 379564416. Its totient is φ = 236744640.

The previous prime is 304132177. The next prime is 304132247. The reversal of 304132213 is 312231403.

It is not a de Polignac number, because 304132213 - 2⁹ = 304131701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304136213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129195 + ... + 131527.

It is an arithmetic number, because the mean of its divisors is an integer number (23722776).

Almost surely, 2^304132213 is an apocalyptic number.

It is an amenable number.

304132213 is a deficient number, since it is larger than the sum of its proper divisors (75432203).

304132213 is a wasteful number, since it uses less digits than its factorization.

304132213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 304132213 is about 17439.3868298172. The cubic root of 304132213 is about 672.4925446122.

Adding to 304132213 its reverse (312231403), we get a palindrome (616363616).

The spelling of 304132213 in words is "three hundred four million, one hundred thirty-two thousand, two hundred thirteen".