103303 has 4 divisors (see below), whose sum is σ = 108760. Its totient is φ = 97848.

The previous prime is 103291. The next prime is 103307. The reversal of 103303 is 303301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303301 = 23 ⋅13187.

It is a cyclic number.

It is not a de Polignac number, because 103303 - 2¹³ = 95111 is a prime.

It is a super-3 number, since 3×103303³ = 3307196933397381, which contains 333 as substring.

It is an Ulam number.

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 103303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2700 + ... + 2737.

It is an arithmetic number, because the mean of its divisors is an integer number (27190).

2¹⁰³³⁰³ is an apocalyptic number.

103303 is a deficient number, since it is larger than the sum of its proper divisors (5457).

103303 is an equidigital number, since it uses as much as digits as its factorization.

103303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456.

The product of its (nonzero) digits is 27, while the sum is 10.

The square root of 103303 is about 321.4078406013. The cubic root of 103303 is about 46.9214017553.

Adding to 103303 its reverse (303301), we get a palindrome (406604).

It can be divided in two parts, 103 and 303, that added together give a triangular number (406 = T₂₈).

The spelling of 103303 in words is "one hundred three thousand, three hundred three", and thus it is an iban number.