312103000222217 has 2 divisors, whose sum is σ = 312103000222218. Its totient is φ = 312103000222216.

The previous prime is 312103000222193. The next prime is 312103000222267. The reversal of 312103000222217 is 712222000301213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193228376236921 + 118874623985296 = 13900661^2 + 10902964^2 .

It is a cyclic number.

It is not a de Polignac number, because 312103000222217 - 2²⁸ = 312102731786761 is a prime.

It is not a weakly prime, because it can be changed into another prime (312103000222267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156051500111108 + 156051500111109.

It is an arithmetic number, because the mean of its divisors is an integer number (156051500111109).

Almost surely, 2^{312103000222217} is an apocalyptic number.

It is an amenable number.

312103000222217 is a deficient number, since it is larger than the sum of its proper divisors (1).

312103000222217 is an equidigital number, since it uses as much as digits as its factorization.

312103000222217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 312103000222217 in words is "three hundred twelve trillion, one hundred three billion, two hundred twenty-two thousand, two hundred seventeen".