321420300618713 has 2 divisors, whose sum is σ = 321420300618714. Its totient is φ = 321420300618712.

The previous prime is 321420300618701. The next prime is 321420300618749. The reversal of 321420300618713 is 317816003024123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292661663525449 + 28758637093264 = 17107357^2 + 5362708^2 .

It is a cyclic number.

It is not a de Polignac number, because 321420300618713 - 2³² = 321416005651417 is a prime.

It is a super-2 number, since 2×321420300618713² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321420300608713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160710150309356 + 160710150309357.

It is an arithmetic number, because the mean of its divisors is an integer number (160710150309357).

Almost surely, 2^{321420300618713} is an apocalyptic number.

It is an amenable number.

321420300618713 is a deficient number, since it is larger than the sum of its proper divisors (1).

321420300618713 is an equidigital number, since it uses as much as digits as its factorization.

321420300618713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 321420300618713 in words is "three hundred twenty-one trillion, four hundred twenty billion, three hundred million, six hundred eighteen thousand, seven hundred thirteen".