11321032203 has 16 divisors (see below), whose sum is σ = 18062046240. Its totient is φ = 6966788832.

The previous prime is 11321032187. The next prime is 11321032231. The reversal of 11321032203 is 30223012311.

It is not a de Polignac number, because 11321032203 - 2⁴ = 11321032187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11321032253) 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, 16126476 + ... + 16127177.

It is an arithmetic number, because the mean of its divisors is an integer number (1128877890).

Almost surely, 2^11321032203 is an apocalyptic number.

11321032203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11321032203 is a deficient number, since it is larger than the sum of its proper divisors (6741014037).

11321032203 is a wasteful number, since it uses less digits than its factorization.

11321032203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32253675 (or 32253669 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11321032203 its reverse (30223012311), we get a palindrome (41544044514).

The spelling of 11321032203 in words is "eleven billion, three hundred twenty-one million, thirty-two thousand, two hundred three".