11303312103 has 10 divisors (see below), whose sum is σ = 16885194744. Its totient is φ = 7535541348.

The previous prime is 11303312093. The next prime is 11303312131. The reversal of 11303312103 is 30121330311.

It is a happy number.

It is not a de Polignac number, because 11303312103 - 2⁵ = 11303312071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303310103) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 69773451 + ... + 69773612.

Almost surely, 2^11303312103 is an apocalyptic number.

11303312103 is a deficient number, since it is larger than the sum of its proper divisors (5581882641).

11303312103 is an equidigital number, since it uses as much as digits as its factorization.

11303312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139547075 (or 139547066 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11303312103 its reverse (30121330311), we get a palindrome (41424642414).

The spelling of 11303312103 in words is "eleven billion, three hundred three million, three hundred twelve thousand, one hundred three".