321055321079 has 4 divisors (see below), whose sum is σ = 321216900984. Its totient is φ = 320893741176.

The previous prime is 321055321061. The next prime is 321055321121. The reversal of 321055321079 is 970123550123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321055321079 - 2⁸ = 321055320823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321055321039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80786972 + ... + 80790945.

It is an arithmetic number, because the mean of its divisors is an integer number (80304225246).

Almost surely, 2^321055321079 is an apocalyptic number.

321055321079 is a deficient number, since it is larger than the sum of its proper divisors (161579905).

321055321079 is a wasteful number, since it uses less digits than its factorization.

321055321079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161579904.

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 321055321079 in words is "three hundred twenty-one billion, fifty-five million, three hundred twenty-one thousand, seventy-nine".