320233300321 has 12 divisors (see below), whose sum is σ = 353452554532. Its totient is φ = 289913184000.

The previous prime is 320233300297. The next prime is 320233300349. The reversal of 320233300321 is 123003332023.

It can be written as a sum of positive squares in 2 ways, for example, as 126245906721 + 193987393600 = 355311^2 + 440440^2 .

It is not a de Polignac number, because 320233300321 - 2²⁵ = 320199745889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320233300292 and 320233300301.

It is not an unprimeable number, because it can be changed into a prime (320233300421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5461620 + ... + 5519941.

Almost surely, 2^320233300321 is an apocalyptic number.

It is an amenable number.

320233300321 is a deficient number, since it is larger than the sum of its proper divisors (33219254211).

320233300321 is a wasteful number, since it uses less digits than its factorization.

320233300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10981824 (or 10981813 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 320233300321 its reverse (123003332023), we get a palindrome (443236632344).

The spelling of 320233300321 in words is "three hundred twenty billion, two hundred thirty-three million, three hundred thousand, three hundred twenty-one".