11243000031 has 16 divisors (see below), whose sum is σ = 16241601024. Its totient is φ = 6890373504.

The previous prime is 11243000011. The next prime is 11243000059. The reversal of 11243000031 is 13000034211.

11243000031 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 11243000031 - 2¹⁰ = 11242999007 is a prime.

It is a super-2 number, since 2×11243000031² (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 (11243000011) 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, 2561191 + ... + 2565576.

It is an arithmetic number, because the mean of its divisors is an integer number (1015100064).

Almost surely, 2^11243000031 is an apocalyptic number.

11243000031 is a deficient number, since it is larger than the sum of its proper divisors (4998600993).

11243000031 is a wasteful number, since it uses less digits than its factorization.

11243000031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126830.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11243000031 its reverse (13000034211), we get a palindrome (24243034242).

The spelling of 11243000031 in words is "eleven billion, two hundred forty-three million, thirty-one", and thus it is an aban number.