2313161 has 2 divisors, whose sum is σ = 2313162. Its totient is φ = 2313160.

The previous prime is 2313137. The next prime is 2313163. The reversal of 2313161 is 1613132.

2313161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1547536 + 765625 = 1244^2 + 875^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313161 - 2¹⁰ = 2312137 is a prime.

Together with 2313163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2313163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156580 + 1156581.

It is an arithmetic number, because the mean of its divisors is an integer number (1156581).

2^2313161 is an apocalyptic number.

It is an amenable number.

2313161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313161 is an equidigital number, since it uses as much as digits as its factorization.

2313161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 17.

The square root of 2313161 is about 1520.9079525073. The cubic root of 2313161 is about 132.2519102834.

Adding to 2313161 its reverse (1613132), we get a palindrome (3926293).

The spelling of 2313161 in words is "two million, three hundred thirteen thousand, one hundred sixty-one".