321044121324203 has 4 divisors (see below), whose sum is σ = 321183041327088. Its totient is φ = 320905201321320.

The previous prime is 321044121324191. The next prime is 321044121324299. The reversal of 321044121324203 is 302423121440123.

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 321044121324203 - 2⁴⁶ = 250675377146539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321044121324203.

It is not an unprimeable number, because it can be changed into a prime (321044121324403) 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, 69459997976 + ... + 69460002597.

It is an arithmetic number, because the mean of its divisors is an integer number (80295760331772).

Almost surely, 2^{321044121324203} is an apocalyptic number.

321044121324203 is a deficient number, since it is larger than the sum of its proper divisors (138920002885).

321044121324203 is a wasteful number, since it uses less digits than its factorization.

321044121324203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138920002884.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 321044121324203 its reverse (302423121440123), we get a palindrome (623467242764326).

The spelling of 321044121324203 in words is "three hundred twenty-one trillion, forty-four billion, one hundred twenty-one million, three hundred twenty-four thousand, two hundred three".