321420033102317 has 2 divisors, whose sum is σ = 321420033102318. Its totient is φ = 321420033102316.

The previous prime is 321420033102307. The next prime is 321420033102409. The reversal of 321420033102317 is 713201330024123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245660921933476 + 75759111168841 = 15673574^2 + 8703971^2 .

It is an emirp because it is prime and its reverse (713201330024123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321420033102317 - 2¹⁸ = 321420032840173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321420033102307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160710016551158 + 160710016551159.

It is an arithmetic number, because the mean of its divisors is an integer number (160710016551159).

Almost surely, 2^{321420033102317} is an apocalyptic number.

It is an amenable number.

321420033102317 is a deficient number, since it is larger than the sum of its proper divisors (1).

321420033102317 is an equidigital number, since it uses as much as digits as its factorization.

321420033102317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 321420033102317 in words is "three hundred twenty-one trillion, four hundred twenty billion, thirty-three million, one hundred two thousand, three hundred seventeen".