310111311217 has 2 divisors, whose sum is σ = 310111311218. Its totient is φ = 310111311216.

The previous prime is 310111311203. The next prime is 310111311233. The reversal of 310111311217 is 712113111013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264520947856 + 45590363361 = 514316^2 + 213519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-310111311217 is a prime.

It is not a weakly prime, because it can be changed into another prime (310111318217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155055655608 + 155055655609.

It is an arithmetic number, because the mean of its divisors is an integer number (155055655609).

Almost surely, 2^310111311217 is an apocalyptic number.

It is an amenable number.

310111311217 is a deficient number, since it is larger than the sum of its proper divisors (1).

310111311217 is an equidigital number, since it uses as much as digits as its factorization.

310111311217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 22.

The spelling of 310111311217 in words is "three hundred ten billion, one hundred eleven million, three hundred eleven thousand, two hundred seventeen".