11031330103 has 4 divisors (see below), whose sum is σ = 11182444288. Its totient is φ = 10880215920.

The previous prime is 11031330091. The next prime is 11031330139. The reversal of 11031330103 is 30103313011.

11031330103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30103313011 = 30389 ⋅990599.

It is a cyclic number.

It is not a de Polignac number, because 11031330103 - 2¹³ = 11031321911 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 (11031330203) 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 in 3 ways as a sum of consecutive naturals, for example, 75556983 + ... + 75557128.

It is an arithmetic number, because the mean of its divisors is an integer number (2795611072).

Almost surely, 2^11031330103 is an apocalyptic number.

11031330103 is a deficient number, since it is larger than the sum of its proper divisors (151114185).

11031330103 is an equidigital number, since it uses as much as digits as its factorization.

11031330103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151114184.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 11031330103 its reverse (30103313011), we get a palindrome (41134643114).

The spelling of 11031330103 in words is "eleven billion, thirty-one million, three hundred thirty thousand, one hundred three".