320103 has 12 divisors (see below), whose sum is σ = 528528. Its totient is φ = 182880.

The previous prime is 320101. The next prime is 320107. The reversal of 320103 is 301023.

It is a happy number.

It is not a de Polignac number, because 320103 - 2¹ = 320101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320103.

It is not an unprimeable number, because it can be changed into a prime (320101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2478 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (44044).

2³²⁰¹⁰³ is an apocalyptic number.

320103 is a deficient number, since it is larger than the sum of its proper divisors (208425).

320103 is a wasteful number, since it uses less digits than its factorization.

320103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094 (or 5091 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 320103 is about 565.7764576226. The cubic root of 320103 is about 68.4063757266.

Adding to 320103 its reverse (301023), we get a palindrome (621126).

The spelling of 320103 in words is "three hundred twenty thousand, one hundred three", and thus it is an iban number.