321311303223 has 8 divisors (see below), whose sum is σ = 434449086336. Its totient is φ = 211190527800.

The previous prime is 321311303191. The next prime is 321311303251. The reversal of 321311303223 is 322303113123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 321311303223 - 2⁵ = 321311303191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321311303193 and 321311303202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321311303723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754251673 + ... + 754252098.

It is an arithmetic number, because the mean of its divisors is an integer number (54306135792).

Almost surely, 2^321311303223 is an apocalyptic number.

321311303223 is a deficient number, since it is larger than the sum of its proper divisors (113137783113).

321311303223 is a wasteful number, since it uses less digits than its factorization.

321311303223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508503845.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 321311303223 its reverse (322303113123), we get a palindrome (643614416346).

The spelling of 321311303223 in words is "three hundred twenty-one billion, three hundred eleven million, three hundred three thousand, two hundred twenty-three".