11321131303 has 16 divisors (see below), whose sum is σ = 11786018400. Its totient is φ = 10867798656.

The previous prime is 11321131291. The next prime is 11321131307. The reversal of 11321131303 is 30313112311.

It is a cyclic number.

It is not a de Polignac number, because 11321131303 - 2⁵ = 11321131271 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 (11321131307) 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, 518401 + ... + 539797.

It is an arithmetic number, because the mean of its divisors is an integer number (736626150).

Almost surely, 2^11321131303 is an apocalyptic number.

11321131303 is a deficient number, since it is larger than the sum of its proper divisors (464887097).

11321131303 is a wasteful number, since it uses less digits than its factorization.

11321131303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21666.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11321131303 its reverse (30313112311), we get a palindrome (41634243614).

The spelling of 11321131303 in words is "eleven billion, three hundred twenty-one million, one hundred thirty-one thousand, three hundred three".