1000440320103 has 40 divisors (see below), whose sum is σ = 1708087125888. Its totient is φ = 571645254096.

The previous prime is 1000440320051. The next prime is 1000440320111. The reversal of 1000440320103 is 3010230440001.

1000440320103 is a `hidden beast` number, since 100 + 0 + 440 + 3 + 20 + 103 = 666.

It is not a de Polignac number, because 1000440320103 - 2⁹ = 1000440319591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000440320123) 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 39 ways as a sum of consecutive naturals, for example, 11365900 + ... + 11453582.

Almost surely, 2^{1000440320103} is an apocalyptic number.

1000440320103 is a deficient number, since it is larger than the sum of its proper divisors (707646805785).

1000440320103 is an equidigital number, since it uses as much as digits as its factorization.

1000440320103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107825 (or 107816 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1000440320103 its reverse (3010230440001), we get a palindrome (4010670760104).

The spelling of 1000440320103 in words is "one trillion, four hundred forty million, three hundred twenty thousand, one hundred three".