320113312203 has 8 divisors (see below), whose sum is σ = 426843937600. Its totient is φ = 213395780808.

The previous prime is 320113312199. The next prime is 320113312223. The reversal of 320113312203 is 302213311023.

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

It is not a de Polignac number, because 320113312203 - 2² = 320113312199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320113312203.

It is not an unprimeable number, because it can be changed into a prime (320113312223) 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 7 ways as a sum of consecutive naturals, for example, 3216313 + ... + 3314346.

It is an arithmetic number, because the mean of its divisors is an integer number (53355492200).

Almost surely, 2^320113312203 is an apocalyptic number.

320113312203 is a deficient number, since it is larger than the sum of its proper divisors (106730625397).

320113312203 is a wasteful number, since it uses less digits than its factorization.

320113312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6547001.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 320113312203 its reverse (302213311023), we get a palindrome (622326623226).

The spelling of 320113312203 in words is "three hundred twenty billion, one hundred thirteen million, three hundred twelve thousand, two hundred three".