40243031103 has 32 divisors (see below), whose sum is σ = 59352652800. Its totient is φ = 24049958400.

The previous prime is 40243031089. The next prime is 40243031117. The reversal of 40243031103 is 30113034204.

It is an interprime number because it is at equal distance from previous prime (40243031089) and next prime (40243031117).

It is not a de Polignac number, because 40243031103 - 2⁹ = 40243030591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40243031103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243031183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2099523 + ... + 2118603.

It is an arithmetic number, because the mean of its divisors is an integer number (1854770400).

Almost surely, 2^40243031103 is an apocalyptic number.

40243031103 is a deficient number, since it is larger than the sum of its proper divisors (19109621697).

40243031103 is a wasteful number, since it uses less digits than its factorization.

40243031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19983.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 40243031103 its reverse (30113034204), we get a palindrome (70356065307).

The spelling of 40243031103 in words is "forty billion, two hundred forty-three million, thirty-one thousand, one hundred three".