321311122303 has 16 divisors (see below), whose sum is σ = 335773670400. Its totient is φ = 307106951040.

The previous prime is 321311122289. The next prime is 321311122333. The reversal of 321311122303 is 303221113123.

It is a de Polignac number, because none of the positive numbers 2^k-321311122303 is a prime.

It is a super-2 number, since 2×321311122303² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321311122333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9397543 + ... + 9431671.

It is an arithmetic number, because the mean of its divisors is an integer number (20985854400).

Almost surely, 2^321311122303 is an apocalyptic number.

321311122303 is a deficient number, since it is larger than the sum of its proper divisors (14462548097).

321311122303 is a wasteful number, since it uses less digits than its factorization.

321311122303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37902.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 321311122303 its reverse (303221113123), we get a palindrome (624532235426).

The spelling of 321311122303 in words is "three hundred twenty-one billion, three hundred eleven million, one hundred twenty-two thousand, three hundred three".