1103010203 has 2 divisors, whose sum is σ = 1103010204. Its totient is φ = 1103010202.

The previous prime is 1103010187. The next prime is 1103010229. The reversal of 1103010203 is 3020103011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1103010203 - 2⁴ = 1103010187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1103010253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551505101 + 551505102.

It is an arithmetic number, because the mean of its divisors is an integer number (551505102).

Almost surely, 2^1103010203 is an apocalyptic number.

1103010203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103010203 is an equidigital number, since it uses as much as digits as its factorization.

1103010203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1103010203 is about 33211.5974171674. The cubic root of 1103010203 is about 1033.2208859140.

Adding to 1103010203 its reverse (3020103011), we get a palindrome (4123113214).

The spelling of 1103010203 in words is "one billion, one hundred three million, ten thousand, two hundred three".