320322111321 has 4 divisors (see below), whose sum is σ = 427096148432. Its totient is φ = 213548074212.

The previous prime is 320322111311. The next prime is 320322111331. The reversal of 320322111321 is 123111223023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (320322111311) and next prime (320322111331).

It is not a de Polignac number, because 320322111321 - 2³³ = 311732176729 is a prime.

It is a super-2 number, since 2×320322111321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320322111311) 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, 53387018551 + ... + 53387018556.

It is an arithmetic number, because the mean of its divisors is an integer number (106774037108).

Almost surely, 2^320322111321 is an apocalyptic number.

It is an amenable number.

320322111321 is a deficient number, since it is larger than the sum of its proper divisors (106774037111).

320322111321 is a wasteful number, since it uses less digits than its factorization.

320322111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106774037110.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 320322111321 its reverse (123111223023), we get a palindrome (443433334344).

The spelling of 320322111321 in words is "three hundred twenty billion, three hundred twenty-two million, one hundred eleven thousand, three hundred twenty-one".