304322432213 has 2 divisors, whose sum is σ = 304322432214. Its totient is φ = 304322432212.

The previous prime is 304322432207. The next prime is 304322432221. The reversal of 304322432213 is 312234223403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278453569969 + 25868862244 = 527687^2 + 160838^2 .

It is a cyclic number.

It is not a de Polignac number, because 304322432213 - 2¹⁸ = 304322170069 is a prime.

It is a super-2 number, since 2×304322432213² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304322435213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152161216106 + 152161216107.

It is an arithmetic number, because the mean of its divisors is an integer number (152161216107).

Almost surely, 2^304322432213 is an apocalyptic number.

It is an amenable number.

304322432213 is a deficient number, since it is larger than the sum of its proper divisors (1).

304322432213 is an equidigital number, since it uses as much as digits as its factorization.

304322432213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 304322432213 its reverse (312234223403), we get a palindrome (616556655616).

The spelling of 304322432213 in words is "three hundred four billion, three hundred twenty-two million, four hundred thirty-two thousand, two hundred thirteen".