11304002203 has 16 divisors (see below), whose sum is σ = 12258104320. Its totient is φ = 10423790208.

The previous prime is 11304002179. The next prime is 11304002207. The reversal of 11304002203 is 30220040311.

It is a happy number.

It is not a de Polignac number, because 11304002203 - 2²¹ = 11301905051 is a prime.

It is a super-3 number, since 3×11304002203³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11304002207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2847526 + ... + 2851492.

It is an arithmetic number, because the mean of its divisors is an integer number (766131520).

Almost surely, 2^11304002203 is an apocalyptic number.

11304002203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11304002203 is a deficient number, since it is larger than the sum of its proper divisors (954102117).

11304002203 is an equidigital number, since it uses as much as digits as its factorization.

11304002203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303 (or 5277 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 11304002203 its reverse (30220040311), we get a palindrome (41524042514).

The spelling of 11304002203 in words is "eleven billion, three hundred four million, two thousand, two hundred three".