11322230231 has 16 divisors (see below), whose sum is σ = 13043538144. Its totient is φ = 9735081984.

The previous prime is 11322230209. The next prime is 11322230233. The reversal of 11322230231 is 13203222311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11322230231 is a prime.

It is a super-2 number, since 2×11322230231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322230233) 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, 242645 + ... + 285518.

It is an arithmetic number, because the mean of its divisors is an integer number (815221134).

Almost surely, 2^11322230231 is an apocalyptic number.

11322230231 is a deficient number, since it is larger than the sum of its proper divisors (1721307913).

11322230231 is a wasteful number, since it uses less digits than its factorization.

11322230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528290.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11322230231 its reverse (13203222311), we get a palindrome (24525452542).

The spelling of 11322230231 in words is "eleven billion, three hundred twenty-two million, two hundred thirty thousand, two hundred thirty-one".