11124030431 has 4 divisors (see below), whose sum is σ = 11607683952. Its totient is φ = 10640376912.

The previous prime is 11124030413. The next prime is 11124030479. The reversal of 11124030431 is 13403042111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11124030431 - 2⁶ = 11124030367 is a prime.

It is a super-2 number, since 2×11124030431² (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 (11124030031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241826726 + ... + 241826771.

It is an arithmetic number, because the mean of its divisors is an integer number (2901920988).

Almost surely, 2^11124030431 is an apocalyptic number.

11124030431 is a deficient number, since it is larger than the sum of its proper divisors (483653521).

11124030431 is an equidigital number, since it uses as much as digits as its factorization.

11124030431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483653520.

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

Adding to 11124030431 its reverse (13403042111), we get a palindrome (24527072542).

The spelling of 11124030431 in words is "eleven billion, one hundred twenty-four million, thirty thousand, four hundred thirty-one".