1003003012013 has 4 divisors (see below), whose sum is σ = 1003011579420. Its totient is φ = 1002994444608.

The previous prime is 1003003011979. The next prime is 1003003012027. The reversal of 1003003012013 is 3102103003001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19173110089 + 983829901924 = 138467^2 + 991882^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003003012013 - 2⁸ = 1003003011757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003003011013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4105628 + ... + 4343061.

It is an arithmetic number, because the mean of its divisors is an integer number (250752894855).

Almost surely, 2^{1003003012013} is an apocalyptic number.

It is an amenable number.

1003003012013 is a deficient number, since it is larger than the sum of its proper divisors (8567407).

1003003012013 is an equidigital number, since it uses as much as digits as its factorization.

1003003012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8567406.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 1003003012013 its reverse (3102103003001), we get a palindrome (4105106015014).

The spelling of 1003003012013 in words is "one trillion, three billion, three million, twelve thousand, thirteen".