2303321161 has 2 divisors, whose sum is σ = 2303321162. Its totient is φ = 2303321160.

The previous prime is 2303321129. The next prime is 2303321171. The reversal of 2303321161 is 1611233032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1813141561 + 490179600 = 42581^2 + 22140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2303321161 - 2⁵ = 2303321129 is a prime.

It is not a weakly prime, because it can be changed into another prime (2303321171) 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, 1151660580 + 1151660581.

It is an arithmetic number, because the mean of its divisors is an integer number (1151660581).

Almost surely, 2^2303321161 is an apocalyptic number.

It is an amenable number.

2303321161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2303321161 is an equidigital number, since it uses as much as digits as its factorization.

2303321161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2303321161 is about 47992.9282394813. The cubic root of 2303321161 is about 1320.6411717125.

Adding to 2303321161 its reverse (1611233032), we get a palindrome (3914554193).

The spelling of 2303321161 in words is "two billion, three hundred three million, three hundred twenty-one thousand, one hundred sixty-one".