304301213 has 2 divisors, whose sum is σ = 304301214. Its totient is φ = 304301212.

The previous prime is 304301197. The next prime is 304301237. The reversal of 304301213 is 312103403.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297321049 + 6980164 = 17243^2 + 2642^2 .

It is a cyclic number.

It is not a de Polignac number, because 304301213 - 2⁴ = 304301197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 304301191 and 304301200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304301113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152150606 + 152150607.

It is an arithmetic number, because the mean of its divisors is an integer number (152150607).

Almost surely, 2^304301213 is an apocalyptic number.

It is an amenable number.

304301213 is a deficient number, since it is larger than the sum of its proper divisors (1).

304301213 is an equidigital number, since it uses as much as digits as its factorization.

304301213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 304301213 is about 17444.2315107316. The cubic root of 304301213 is about 672.6170849607.

Adding to 304301213 its reverse (312103403), we get a palindrome (616404616).

The spelling of 304301213 in words is "three hundred four million, three hundred one thousand, two hundred thirteen".