103203103 has 4 divisors (see below), whose sum is σ = 103347360. Its totient is φ = 103058848.

The previous prime is 103203071. The next prime is 103203127. The reversal of 103203103 is 301302301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103203103 - 2⁵ = 103203071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103203203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71050 + ... + 72487.

It is an arithmetic number, because the mean of its divisors is an integer number (25836840).

Almost surely, 2^103203103 is an apocalyptic number.

103203103 is a deficient number, since it is larger than the sum of its proper divisors (144257).

103203103 is an equidigital number, since it uses as much as digits as its factorization.

103203103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144256.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 103203103 is about 10158.8928038443. The cubic root of 103203103 is about 469.0627209138.

Adding to 103203103 its reverse (301302301), we get a palindrome (404505404).

The spelling of 103203103 in words is "one hundred three million, two hundred three thousand, one hundred three".