2311211017 has 2 divisors, whose sum is σ = 2311211018. Its totient is φ = 2311211016.

The previous prime is 2311211011. The next prime is 2311211101. The reversal of 2311211017 is 7101121132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1758208761 + 553002256 = 41931^2 + 23516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311211017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311210985 and 2311211003.

It is not a weakly prime, because it can be changed into another prime (2311211011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155605508 + 1155605509.

It is an arithmetic number, because the mean of its divisors is an integer number (1155605509).

Almost surely, 2^2311211017 is an apocalyptic number.

It is an amenable number.

2311211017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311211017 is an equidigital number, since it uses as much as digits as its factorization.

2311211017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 2311211017 is about 48075.0560790105. The cubic root of 2311211017 is about 1322.1473727250.

Adding to 2311211017 its reverse (7101121132), we get a palindrome (9412332149).

The spelling of 2311211017 in words is "two billion, three hundred eleven million, two hundred eleven thousand, seventeen".