304316161 has 2 divisors, whose sum is σ = 304316162. Its totient is φ = 304316160.

The previous prime is 304316113. The next prime is 304316171. The reversal of 304316161 is 161613403.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214066161 + 90250000 = 14631^2 + 9500^2 .

It is a cyclic number.

It is not a de Polignac number, because 304316161 - 2¹¹ = 304314113 is a prime.

It is not a weakly prime, because it can be changed into another prime (304316171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152158080 + 152158081.

It is an arithmetic number, because the mean of its divisors is an integer number (152158081).

Almost surely, 2^304316161 is an apocalyptic number.

It is an amenable number.

304316161 is a deficient number, since it is larger than the sum of its proper divisors (1).

304316161 is an equidigital number, since it uses as much as digits as its factorization.

304316161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 304316161 is about 17444.6599565598. The cubic root of 304316161 is about 672.6280982978.

Adding to 304316161 its reverse (161613403), we get a palindrome (465929564).

The spelling of 304316161 in words is "three hundred four million, three hundred sixteen thousand, one hundred sixty-one".