321084216319 has 2 divisors, whose sum is σ = 321084216320. Its totient is φ = 321084216318.

The previous prime is 321084216311. The next prime is 321084216353. The reversal of 321084216319 is 913612480123.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321084216319 - 2³ = 321084216311 is a prime.

It is a super-2 number, since 2×321084216319² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321084216311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160542108159 + 160542108160.

It is an arithmetic number, because the mean of its divisors is an integer number (160542108160).

Almost surely, 2^321084216319 is an apocalyptic number.

321084216319 is a deficient number, since it is larger than the sum of its proper divisors (1).

321084216319 is an equidigital number, since it uses as much as digits as its factorization.

321084216319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 321084216319 in words is "three hundred twenty-one billion, eighty-four million, two hundred sixteen thousand, three hundred nineteen".