1000000000003 has 8 divisors (see below), whose sum is σ = 1016465795696. Its totient is φ = 983536538400.

The previous prime is 999999999989. The next prime is 1000000000039. The reversal of 1000000000003 is 3000000000001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1000000000003 - 2²⁵ = 999966445571 is a prime.

It is a Duffinian number.

1000000000003 is a modest number, since divided by 3 gives 1 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 999999999911 and 1000000000001.

It is not an unprimeable number, because it can be changed into a prime (1000000000063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291100 + ... + 1443862.

It is an arithmetic number, because the mean of its divisors is an integer number (127058224462).

Almost surely, 2^{1000000000003} is an apocalyptic number.

1000000000003 is a deficient number, since it is larger than the sum of its proper divisors (16465795693).

1000000000003 is a wasteful number, since it uses less digits than its factorization.

1000000000003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167045.

The product of its (nonzero) digits is 3, while the sum is 4.

Adding to 1000000000003 its reverse (3000000000001), we get a palindrome (4000000000004).

The spelling of 1000000000003 in words is "one trillion, three", and thus it is an aban number and an uban number.