321453881322113 has 2 divisors, whose sum is σ = 321453881322114. Its totient is φ = 321453881322112.

The previous prime is 321453881322089. The next prime is 321453881322121. The reversal of 321453881322113 is 311223188354123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285415074869824 + 36038806452289 = 16894232^2 + 6003233^2 .

It is a cyclic number.

It is not a de Polignac number, because 321453881322113 - 2¹⁴ = 321453881305729 is a prime.

It is a super-2 number, since 2×321453881322113² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321453881327113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160726940661056 + 160726940661057.

It is an arithmetic number, because the mean of its divisors is an integer number (160726940661057).

Almost surely, 2^{321453881322113} is an apocalyptic number.

It is an amenable number.

321453881322113 is a deficient number, since it is larger than the sum of its proper divisors (1).

321453881322113 is an equidigital number, since it uses as much as digits as its factorization.

321453881322113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 47.

The spelling of 321453881322113 in words is "three hundred twenty-one trillion, four hundred fifty-three billion, eight hundred eighty-one million, three hundred twenty-two thousand, one hundred thirteen".