320231031203 has 12 divisors (see below), whose sum is σ = 327180790560. Its totient is φ = 313378455936.

The previous prime is 320231031191. The next prime is 320231031217. The reversal of 320231031203 is 302130132023.

It is not a de Polignac number, because 320231031203 - 2¹² = 320231027107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320231031233) 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, 850025 + ... + 1167477.

It is an arithmetic number, because the mean of its divisors is an integer number (27265065880).

Almost surely, 2^320231031203 is an apocalyptic number.

320231031203 is a deficient number, since it is larger than the sum of its proper divisors (6949759357).

320231031203 is an equidigital number, since it uses as much as digits as its factorization.

320231031203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317758 (or 317645 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 320231031203 its reverse (302130132023), we get a palindrome (622361163226).

The spelling of 320231031203 in words is "three hundred twenty billion, two hundred thirty-one million, thirty-one thousand, two hundred three".