320103233321 has 4 divisors (see below), whose sum is σ = 323094852432. Its totient is φ = 317111614212.

The previous prime is 320103233293. The next prime is 320103233323. The reversal of 320103233321 is 123332301023.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320103233321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320103233323) 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, 1495809395 + ... + 1495809608.

It is an arithmetic number, because the mean of its divisors is an integer number (80773713108).

Almost surely, 2^320103233321 is an apocalyptic number.

It is an amenable number.

320103233321 is a deficient number, since it is larger than the sum of its proper divisors (2991619111).

320103233321 is a wasteful number, since it uses less digits than its factorization.

320103233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991619110.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 320103233321 its reverse (123332301023), we get a palindrome (443435534344).

The spelling of 320103233321 in words is "three hundred twenty billion, one hundred three million, two hundred thirty-three thousand, three hundred twenty-one".