11120430231 has 24 divisors (see below), whose sum is σ = 16217229600. Its totient is φ = 7342465536.

The previous prime is 11120430199. The next prime is 11120430239. The reversal of 11120430231 is 13203402111.

11120430231 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 0 + 430 + 231 = 666.

11120430231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11120430231 - 2⁵ = 11120430199 is a prime.

It is a super-2 number, since 2×11120430231² (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 (11120430239) 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 23 ways as a sum of consecutive naturals, for example, 1681870 + ... + 1688468.

It is an arithmetic number, because the mean of its divisors is an integer number (675717900).

Almost surely, 2^11120430231 is an apocalyptic number.

11120430231 is a deficient number, since it is larger than the sum of its proper divisors (5096799369).

11120430231 is a wasteful number, since it uses less digits than its factorization.

11120430231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8375 (or 8372 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11120430231 its reverse (13203402111), we get a palindrome (24323832342).

The spelling of 11120430231 in words is "eleven billion, one hundred twenty million, four hundred thirty thousand, two hundred thirty-one".