11133204231 has 16 divisors (see below), whose sum is σ = 15068199680. Its totient is φ = 7310450880.

The previous prime is 11133204217. The next prime is 11133204233. The reversal of 11133204231 is 13240233111.

It is not a de Polignac number, because 11133204231 - 2¹¹ = 11133202183 is a prime.

It is a super-2 number, since 2×11133204231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11133204198 and 11133204207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133204233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127446 + ... + 196236.

It is an arithmetic number, because the mean of its divisors is an integer number (941762480).

Almost surely, 2^11133204231 is an apocalyptic number.

11133204231 is a deficient number, since it is larger than the sum of its proper divisors (3934995449).

11133204231 is an equidigital number, since it uses as much as digits as its factorization.

11133204231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69606.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11133204231 its reverse (13240233111), we get a palindrome (24373437342).

The spelling of 11133204231 in words is "eleven billion, one hundred thirty-three million, two hundred four thousand, two hundred thirty-one".