304224113 has 2 divisors, whose sum is σ = 304224114. Its totient is φ = 304224112.

The previous prime is 304224083. The next prime is 304224121. The reversal of 304224113 is 311422403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167521249 + 136702864 = 12943^2 + 11692^2 .

It is an emirp because it is prime and its reverse (311422403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304224113 - 2¹² = 304220017 is a prime.

It is not a weakly prime, because it can be changed into another prime (304224913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152112056 + 152112057.

It is an arithmetic number, because the mean of its divisors is an integer number (152112057).

Almost surely, 2^304224113 is an apocalyptic number.

It is an amenable number.

304224113 is a deficient number, since it is larger than the sum of its proper divisors (1).

304224113 is an equidigital number, since it uses as much as digits as its factorization.

304224113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 304224113 is about 17442.0214711483. The cubic root of 304224113 is about 672.5602737536.

Adding to 304224113 its reverse (311422403), we get a palindrome (615646516).

The spelling of 304224113 in words is "three hundred four million, two hundred twenty-four thousand, one hundred thirteen".