320313103203 has 32 divisors (see below), whose sum is σ = 446636869632. Its totient is φ = 203807260800.

The previous prime is 320313103181. The next prime is 320313103247. The reversal of 320313103203 is 302301313023.

It is not a de Polignac number, because 320313103203 - 2⁶ = 320313103139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320313103203.

It is not an unprimeable number, because it can be changed into a prime (320313103303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75171093 + ... + 75175353.

It is an arithmetic number, because the mean of its divisors is an integer number (13957402176).

Almost surely, 2^320313103203 is an apocalyptic number.

320313103203 is a deficient number, since it is larger than the sum of its proper divisors (126323766429).

320313103203 is a wasteful number, since it uses less digits than its factorization.

320313103203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 320313103203 its reverse (302301313023), we get a palindrome (622614416226).

The spelling of 320313103203 in words is "three hundred twenty billion, three hundred thirteen million, one hundred three thousand, two hundred three".