2311216241 has 2 divisors, whose sum is σ = 2311216242. Its totient is φ = 2311216240.

The previous prime is 2311216223. The next prime is 2311216247. The reversal of 2311216241 is 1426121132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2127884641 + 183331600 = 46129^2 + 13540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311216241 - 2⁶ = 2311216177 is a prime.

It is not a weakly prime, because it can be changed into another prime (2311216247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155608120 + 1155608121.

It is an arithmetic number, because the mean of its divisors is an integer number (1155608121).

Almost surely, 2^2311216241 is an apocalyptic number.

It is an amenable number.

2311216241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311216241 is an equidigital number, since it uses as much as digits as its factorization.

2311216241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

The square root of 2311216241 is about 48075.1104106896. The cubic root of 2311216241 is about 1322.1483688683.

Adding to 2311216241 its reverse (1426121132), we get a palindrome (3737337373).

The spelling of 2311216241 in words is "two billion, three hundred eleven million, two hundred sixteen thousand, two hundred forty-one".