11131130303 has 4 divisors (see below), whose sum is σ = 11402621328. Its totient is φ = 10859639280.

The previous prime is 11131130281. The next prime is 11131130317. The reversal of 11131130303 is 30303113111.

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 11131130303 - 2⁸ = 11131130047 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 (11131132303) 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, 135745451 + ... + 135745532.

It is an arithmetic number, because the mean of its divisors is an integer number (2850655332).

Almost surely, 2^11131130303 is an apocalyptic number.

11131130303 is a deficient number, since it is larger than the sum of its proper divisors (271491025).

11131130303 is an equidigital number, since it uses as much as digits as its factorization.

11131130303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271491024.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 11131130303 its reverse (30303113111), we get a palindrome (41434243414).

The spelling of 11131130303 in words is "eleven billion, one hundred thirty-one million, one hundred thirty thousand, three hundred three".