11320203103 has 4 divisors (see below), whose sum is σ = 12349312488. Its totient is φ = 10291093720.

The previous prime is 11320203101. The next prime is 11320203113. The reversal of 11320203103 is 30130202311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11320203103 - 2¹ = 11320203101 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 (11320203101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514554676 + ... + 514554697.

It is an arithmetic number, because the mean of its divisors is an integer number (3087328122).

Almost surely, 2^11320203103 is an apocalyptic number.

11320203103 is a deficient number, since it is larger than the sum of its proper divisors (1029109385).

11320203103 is a wasteful number, since it uses less digits than its factorization.

11320203103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029109384.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 11320203103 its reverse (30130202311), we get a palindrome (41450405414).

The spelling of 11320203103 in words is "eleven billion, three hundred twenty million, two hundred three thousand, one hundred three".