11321313203 has 2 divisors, whose sum is σ = 11321313204. Its totient is φ = 11321313202.

The previous prime is 11321313187. The next prime is 11321313209. The reversal of 11321313203 is 30231312311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11321313203 - 2⁴ = 11321313187 is a prime.

It is not a weakly prime, because it can be changed into another prime (11321313209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660656601 + 5660656602.

It is an arithmetic number, because the mean of its divisors is an integer number (5660656602).

Almost surely, 2^11321313203 is an apocalyptic number.

11321313203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321313203 is an equidigital number, since it uses as much as digits as its factorization.

11321313203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11321313203 its reverse (30231312311), we get a palindrome (41552625514).

The spelling of 11321313203 in words is "eleven billion, three hundred twenty-one million, three hundred thirteen thousand, two hundred three".