320321331121 has 8 divisors (see below), whose sum is σ = 349456896000. Its totient is φ = 291188340240.

The previous prime is 320321331119. The next prime is 320321331133. The reversal of 320321331121 is 121133123023.

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

It is a cyclic number.

It is not a de Polignac number, because 320321331121 - 2¹ = 320321331119 is a prime.

It is a super-2 number, since 2×320321331121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320321331092 and 320321331101.

It is not an unprimeable number, because it can be changed into a prime (320321331191) 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, 378546 + ... + 885403.

It is an arithmetic number, because the mean of its divisors is an integer number (43682112000).

Almost surely, 2^320321331121 is an apocalyptic number.

It is an amenable number.

320321331121 is a deficient number, since it is larger than the sum of its proper divisors (29135564879).

320321331121 is a wasteful number, since it uses less digits than its factorization.

320321331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286999.

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

Adding to 320321331121 its reverse (121133123023), we get a palindrome (441454454144).

The spelling of 320321331121 in words is "three hundred twenty billion, three hundred twenty-one million, three hundred thirty-one thousand, one hundred twenty-one".