10203103 has 2 divisors, whose sum is σ = 10203104. Its totient is φ = 10203102.

The previous prime is 10203101. The next prime is 10203113. The reversal of 10203103 is 30130201.

It is an a-pointer prime, because the next prime (10203113) can be obtained adding 10203103 to its sum of digits (10).

It is a weak prime.

It is an emirp because it is prime and its reverse (30130201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10203103 - 2¹ = 10203101 is a prime.

Together with 10203101, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10203103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10203101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101551 + 5101552.

It is an arithmetic number, because the mean of its divisors is an integer number (5101552).

Almost surely, 2^10203103 is an apocalyptic number.

10203103 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203103 is an equidigital number, since it uses as much as digits as its factorization.

10203103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 10203103 is about 3194.2296410872. The cubic root of 10203103 is about 216.8922780765.

Adding to 10203103 its reverse (30130201), we get a palindrome (40333304).

The spelling of 10203103 in words is "ten million, two hundred three thousand, one hundred three".