18310044103 has 16 divisors (see below), whose sum is σ = 19980376416. Its totient is φ = 16677619200.

The previous prime is 18310044101. The next prime is 18310044113. The reversal of 18310044103 is 30144001381.

It is a cyclic number.

It is not a de Polignac number, because 18310044103 - 2¹ = 18310044101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18310044101) 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, 914803 + ... + 934603.

It is an arithmetic number, because the mean of its divisors is an integer number (1248773526).

Almost surely, 2^18310044103 is an apocalyptic number.

18310044103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18310044103 is a deficient number, since it is larger than the sum of its proper divisors (1670332313).

18310044103 is a wasteful number, since it uses less digits than its factorization.

18310044103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20754.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 18310044103 its reverse (30144001381), we get a palindrome (48454045484).

The spelling of 18310044103 in words is "eighteen billion, three hundred ten million, forty-four thousand, one hundred three".