1103303203 has 2 divisors, whose sum is σ = 1103303204. Its totient is φ = 1103303202.

The previous prime is 1103303183. The next prime is 1103303209. The reversal of 1103303203 is 3023033011.

It is a strong prime.

It is an emirp because it is prime and its reverse (3023033011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103303203 - 2⁹ = 1103302691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103303209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551651601 + 551651602.

It is an arithmetic number, because the mean of its divisors is an integer number (551651602).

Almost surely, 2^1103303203 is an apocalyptic number.

1103303203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103303203 is an equidigital number, since it uses as much as digits as its factorization.

1103303203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1103303203 is about 33216.0082339826. The cubic root of 1103303203 is about 1033.3123649462.

Adding to 1103303203 its reverse (3023033011), we get a palindrome (4126336214).

The spelling of 1103303203 in words is "one billion, one hundred three million, three hundred three thousand, two hundred three".