321103102217 has 2 divisors, whose sum is σ = 321103102218. Its totient is φ = 321103102216.

The previous prime is 321103102193. The next prime is 321103102231. The reversal of 321103102217 is 712201301123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296087251321 + 25015850896 = 544139^2 + 158164^2 .

It is a cyclic number.

It is not a de Polignac number, because 321103102217 - 2⁶ = 321103102153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321103102192 and 321103102201.

It is not a weakly prime, because it can be changed into another prime (321103102297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160551551108 + 160551551109.

It is an arithmetic number, because the mean of its divisors is an integer number (160551551109).

Almost surely, 2^321103102217 is an apocalyptic number.

It is an amenable number.

321103102217 is a deficient number, since it is larger than the sum of its proper divisors (1).

321103102217 is an equidigital number, since it uses as much as digits as its factorization.

321103102217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The spelling of 321103102217 in words is "three hundred twenty-one billion, one hundred three million, one hundred two thousand, two hundred seventeen".