320103203 has 16 divisors (see below), whose sum is σ = 387133440. Its totient is φ = 258552000.

The previous prime is 320103197. The next prime is 320103209. The reversal of 320103203 is 302301023.

It is an interprime number because it is at equal distance from previous prime (320103197) and next prime (320103209).

It is a de Polignac number, because none of the positive numbers 2^k-320103203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320103209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19103 + ... + 31703.

It is an arithmetic number, because the mean of its divisors is an integer number (24195840).

Almost surely, 2^320103203 is an apocalyptic number.

320103203 is a deficient number, since it is larger than the sum of its proper divisors (67030237).

320103203 is a wasteful number, since it uses less digits than its factorization.

320103203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12818.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 320103203 is about 17891.4281990008. The cubic root of 320103203 is about 684.0639018704.

Adding to 320103203 its reverse (302301023), we get a palindrome (622404226).

The spelling of 320103203 in words is "three hundred twenty million, one hundred three thousand, two hundred three".