321420301143017 has 2 divisors, whose sum is σ = 321420301143018. Its totient is φ = 321420301143016.

The previous prime is 321420301143001. The next prime is 321420301143023. The reversal of 321420301143017 is 710341103024123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183263879175001 + 138156421968016 = 13537499^2 + 11753996^2 .

It is a cyclic number.

It is not a de Polignac number, because 321420301143017 - 2⁴ = 321420301143001 is a prime.

It is a super-2 number, since 2×321420301143017² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321420301143037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160710150571508 + 160710150571509.

It is an arithmetic number, because the mean of its divisors is an integer number (160710150571509).

Almost surely, 2^{321420301143017} is an apocalyptic number.

It is an amenable number.

321420301143017 is a deficient number, since it is larger than the sum of its proper divisors (1).

321420301143017 is an equidigital number, since it uses as much as digits as its factorization.

321420301143017 is an evil number, because the sum of its binary digits is even.

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

The spelling of 321420301143017 in words is "three hundred twenty-one trillion, four hundred twenty billion, three hundred one million, one hundred forty-three thousand, seventeen".