11031442043 has 12 divisors (see below), whose sum is σ = 11202261960. Its totient is φ = 10863046656.

The previous prime is 11031442007. The next prime is 11031442049. The reversal of 11031442043 is 34024413011.

11031442043 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 11031442043 - 2¹⁸ = 11031179899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11031442049) 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 11 ways as a sum of consecutive naturals, for example, 2032988 + ... + 2038406.

It is an arithmetic number, because the mean of its divisors is an integer number (933521830).

Almost surely, 2^11031442043 is an apocalyptic number.

11031442043 is a deficient number, since it is larger than the sum of its proper divisors (170819917).

11031442043 is an frugal number, since it uses more digits than its factorization.

11031442043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854 (or 5765 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11031442043 its reverse (34024413011), we get a palindrome (45055855054).

The spelling of 11031442043 in words is "eleven billion, thirty-one million, four hundred forty-two thousand, forty-three".