11124430031 has 16 divisors (see below), whose sum is σ = 13149467520. Its totient is φ = 9277895520.

The previous prime is 11124429983. The next prime is 11124430081. The reversal of 11124430031 is 13003442111.

11124430031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11124430031 - 2¹⁰ = 11124429007 is a prime.

It is a super-2 number, since 2×11124430031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11124429985 and 11124430012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11124430081) 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 15 ways as a sum of consecutive naturals, for example, 215321 + ... + 261938.

It is an arithmetic number, because the mean of its divisors is an integer number (821841720).

Almost surely, 2^11124430031 is an apocalyptic number.

11124430031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11124430031 is a deficient number, since it is larger than the sum of its proper divisors (2025037489).

11124430031 is a wasteful number, since it uses less digits than its factorization.

11124430031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477446.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11124430031 its reverse (13003442111), we get a palindrome (24127872142).

The spelling of 11124430031 in words is "eleven billion, one hundred twenty-four million, four hundred thirty thousand, thirty-one".