1003103181609 has 8 divisors (see below), whose sum is σ = 1338848328672. Its totient is φ = 668046744480.

The previous prime is 1003103181601. The next prime is 1003103181611. The reversal of 1003103181609 is 9061813013001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1003103181609 - 2³ = 1003103181601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1003103181609.

It is not an unprimeable number, because it can be changed into a prime (1003103181601) 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 7 ways as a sum of consecutive naturals, for example, 172174084 + ... + 172179909.

It is an arithmetic number, because the mean of its divisors is an integer number (167356041084).

Almost surely, 2^{1003103181609} is an apocalyptic number.

It is an amenable number.

1003103181609 is a deficient number, since it is larger than the sum of its proper divisors (335745147063).

1003103181609 is an equidigital number, since it uses as much as digits as its factorization.

1003103181609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344354967.

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 1003103181609 in words is "one trillion, three billion, one hundred three million, one hundred eighty-one thousand, six hundred nine".