321434103329 has 2 divisors, whose sum is σ = 321434103330. Its totient is φ = 321434103328.

The previous prime is 321434103323. The next prime is 321434103379. The reversal of 321434103329 is 923301434123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171521879104 + 149912224225 = 414152^2 + 387185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321434103329 is a prime.

It is not a weakly prime, because it can be changed into another prime (321434103323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160717051664 + 160717051665.

It is an arithmetic number, because the mean of its divisors is an integer number (160717051665).

Almost surely, 2^321434103329 is an apocalyptic number.

It is an amenable number.

321434103329 is a deficient number, since it is larger than the sum of its proper divisors (1).

321434103329 is an equidigital number, since it uses as much as digits as its factorization.

321434103329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 321434103329 in words is "three hundred twenty-one billion, four hundred thirty-four million, one hundred three thousand, three hundred twenty-nine".