11123042331 has 8 divisors (see below), whose sum is σ = 14850317584. Its totient is φ = 7405564320.

The previous prime is 11123042317. The next prime is 11123042363. The reversal of 11123042331 is 13324032111.

11123042331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11123042331 - 2⁹ = 11123041819 is a prime.

It is a super-2 number, since 2×11123042331² (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 = 11123042298 and 11123042307.

It is not an unprimeable number, because it can be changed into a prime (11123042311) 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 7 ways as a sum of consecutive naturals, for example, 2446660 + ... + 2451201.

It is an arithmetic number, because the mean of its divisors is an integer number (1856289698).

Almost surely, 2^11123042331 is an apocalyptic number.

11123042331 is a deficient number, since it is larger than the sum of its proper divisors (3727275253).

11123042331 is an equidigital number, since it uses as much as digits as its factorization.

11123042331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4898621.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11123042331 its reverse (13324032111), we get a palindrome (24447074442).

The spelling of 11123042331 in words is "eleven billion, one hundred twenty-three million, forty-two thousand, three hundred thirty-one".