11320203303 has 8 divisors (see below), whose sum is σ = 16770671600. Its totient is φ = 7546802184.

The previous prime is 11320203289. The next prime is 11320203337. The reversal of 11320203303 is 30330202311.

11320203303 is a `hidden beast` number, since 11 + 320 + 2 + 0 + 330 + 3 = 666.

It is not a de Polignac number, because 11320203303 - 2¹⁰ = 11320202279 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 (11320203343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209633368 + ... + 209633421.

It is an arithmetic number, because the mean of its divisors is an integer number (2096333950).

Almost surely, 2^11320203303 is an apocalyptic number.

11320203303 is a deficient number, since it is larger than the sum of its proper divisors (5450468297).

11320203303 is an equidigital number, since it uses as much as digits as its factorization.

11320203303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419266798 (or 419266792 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 11320203303 its reverse (30330202311), we get a palindrome (41650405614).

The spelling of 11320203303 in words is "eleven billion, three hundred twenty million, two hundred three thousand, three hundred three".