11030203103 has 2 divisors, whose sum is σ = 11030203104. Its totient is φ = 11030203102.

The previous prime is 11030203091. The next prime is 11030203123. The reversal of 11030203103 is 30130203011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11030203103 - 2⁴ = 11030203087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11030203123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515101551 + 5515101552.

It is an arithmetic number, because the mean of its divisors is an integer number (5515101552).

Almost surely, 2^11030203103 is an apocalyptic number.

11030203103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11030203103 is an equidigital number, since it uses as much as digits as its factorization.

11030203103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 11030203103 its reverse (30130203011), we get a palindrome (41160406114).

The spelling of 11030203103 in words is "eleven billion, thirty million, two hundred three thousand, one hundred three".