11124430231 has 4 divisors (see below), whose sum is σ = 11232434512. Its totient is φ = 11016425952.

The previous prime is 11124430211. The next prime is 11124430241. The reversal of 11124430231 is 13203442111.

11124430231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13203442111 = 2393 ⋅5517527.

It is a cyclic number.

It is not a de Polignac number, because 11124430231 - 2¹⁵ = 11124397463 is a prime.

It is a super-2 number, since 2×11124430231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11124430201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54001986 + ... + 54002191.

It is an arithmetic number, because the mean of its divisors is an integer number (2808108628).

Almost surely, 2^11124430231 is an apocalyptic number.

11124430231 is a deficient number, since it is larger than the sum of its proper divisors (108004281).

11124430231 is a wasteful number, since it uses less digits than its factorization.

11124430231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108004280.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11124430231 its reverse (13203442111), we get a palindrome (24327872342).

The spelling of 11124430231 in words is "eleven billion, one hundred twenty-four million, four hundred thirty thousand, two hundred thirty-one".