11321101331 has 16 divisors (see below), whose sum is σ = 11904883200. Its totient is φ = 10745116800.

The previous prime is 11321101291. The next prime is 11321101357. The reversal of 11321101331 is 13310112311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11321101331 is a prime.

It is a super-2 number, since 2×11321101331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321101391) 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, 5392520 + ... + 5394618.

It is an arithmetic number, because the mean of its divisors is an integer number (744055200).

Almost surely, 2^11321101331 is an apocalyptic number.

11321101331 is a deficient number, since it is larger than the sum of its proper divisors (583781869).

11321101331 is a wasteful number, since it uses less digits than its factorization.

11321101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11321101331 its reverse (13310112311), we get a palindrome (24631213642).

The spelling of 11321101331 in words is "eleven billion, three hundred twenty-one million, one hundred one thousand, three hundred thirty-one".