11242424231 has 4 divisors (see below), whose sum is σ = 11353735464. Its totient is φ = 11131113000.

The previous prime is 11242424209. The next prime is 11242424239. The reversal of 11242424231 is 13242424211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13242424211 = 101 ⋅131113111.

It is a cyclic number.

It is not a de Polignac number, because 11242424231 - 2²² = 11238229927 is a prime.

It is a super-2 number, since 2×11242424231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11242424231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11242424239) 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 3 ways as a sum of consecutive naturals, for example, 55655465 + ... + 55655666.

It is an arithmetic number, because the mean of its divisors is an integer number (2838433866).

Almost surely, 2^11242424231 is an apocalyptic number.

11242424231 is a deficient number, since it is larger than the sum of its proper divisors (111311233).

11242424231 is a wasteful number, since it uses less digits than its factorization.

11242424231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111311232.

The product of its digits is 3072, while the sum is 26.

Adding to 11242424231 its reverse (13242424211), we get a palindrome (24484848442).

It can be divided in two parts, 11 and 242424231, that added together give a palindrome (242424242).

The spelling of 11242424231 in words is "eleven billion, two hundred forty-two million, four hundred twenty-four thousand, two hundred thirty-one".