2311323361 has 2 divisors, whose sum is σ = 2311323362. Its totient is φ = 2311323360.

The previous prime is 2311323331. The next prime is 2311323379. The reversal of 2311323361 is 1633231132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1533192336 + 778131025 = 39156^2 + 27895^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311323361 - 2⁷ = 2311323233 is a prime.

It is not a weakly prime, because it can be changed into another prime (2311323331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155661680 + 1155661681.

It is an arithmetic number, because the mean of its divisors is an integer number (1155661681).

Almost surely, 2^2311323361 is an apocalyptic number.

It is an amenable number.

2311323361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311323361 is an equidigital number, since it uses as much as digits as its factorization.

2311323361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 25.

The square root of 2311323361 is about 48076.2244877861. The cubic root of 2311323361 is about 1322.1687948159.

Adding to 2311323361 its reverse (1633231132), we get a palindrome (3944554493).

The spelling of 2311323361 in words is "two billion, three hundred eleven million, three hundred twenty-three thousand, three hundred sixty-one".