11311033223 has 16 divisors (see below), whose sum is σ = 13055454720. Its totient is φ = 9598888800.

The previous prime is 11311033199. The next prime is 11311033243. The reversal of 11311033223 is 32233011311.

It is not a de Polignac number, because 11311033223 - 2⁶ = 11311033159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11311033195 and 11311033204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311033243) 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, 1147988 + ... + 1157798.

It is an arithmetic number, because the mean of its divisors is an integer number (815965920).

Almost surely, 2^11311033223 is an apocalyptic number.

11311033223 is a deficient number, since it is larger than the sum of its proper divisors (1744421497).

11311033223 is a wasteful number, since it uses less digits than its factorization.

11311033223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11438.

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

Adding to 11311033223 its reverse (32233011311), we get a palindrome (43544044534).

The spelling of 11311033223 in words is "eleven billion, three hundred eleven million, thirty-three thousand, two hundred twenty-three".