331012222312217 has 2 divisors, whose sum is σ = 331012222312218. Its totient is φ = 331012222312216.

The previous prime is 331012222312151. The next prime is 331012222312241. The reversal of 331012222312217 is 712213222210133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179191849697536 + 151820372614681 = 13386256^2 + 12321541^2 .

It is a cyclic number.

It is not a de Polignac number, because 331012222312217 - 2¹⁰ = 331012222311193 is a prime.

It is not a weakly prime, because it can be changed into another prime (331012222312517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165506111156108 + 165506111156109.

It is an arithmetic number, because the mean of its divisors is an integer number (165506111156109).

Almost surely, 2^{331012222312217} is an apocalyptic number.

It is an amenable number.

331012222312217 is a deficient number, since it is larger than the sum of its proper divisors (1).

331012222312217 is an equidigital number, since it uses as much as digits as its factorization.

331012222312217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 331012222312217 in words is "three hundred thirty-one trillion, twelve billion, two hundred twenty-two million, three hundred twelve thousand, two hundred seventeen".