2321311361 has 2 divisors, whose sum is σ = 2321311362. Its totient is φ = 2321311360.

The previous prime is 2321311357. The next prime is 2321311367. The reversal of 2321311361 is 1631131232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1824912961 + 496398400 = 42719^2 + 22280^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321311361 - 2² = 2321311357 is a prime.

It is not a weakly prime, because it can be changed into another prime (2321311367) 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, 1160655680 + 1160655681.

It is an arithmetic number, because the mean of its divisors is an integer number (1160655681).

Almost surely, 2^2321311361 is an apocalyptic number.

It is an amenable number.

2321311361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321311361 is an equidigital number, since it uses as much as digits as its factorization.

2321311361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 2321311361 is about 48179.9892175164. The cubic root of 2321311361 is about 1324.0705689865.

Adding to 2321311361 its reverse (1631131232), we get a palindrome (3952442593).

The spelling of 2321311361 in words is "two billion, three hundred twenty-one million, three hundred eleven thousand, three hundred sixty-one".