1003011403013 has 4 divisors (see below), whose sum is σ = 1003038144108. Its totient is φ = 1002984661920.

The previous prime is 1003011403007. The next prime is 1003011403021. The reversal of 1003011403013 is 3103041103001.

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 440680890244 + 562330512769 = 663838^2 + 749887^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003011403013 - 2⁴ = 1003011402997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003011402982 and 1003011403000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003011403313) 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 3 ways as a sum of consecutive naturals, for example, 13314206 + ... + 13389327.

It is an arithmetic number, because the mean of its divisors is an integer number (250759536027).

Almost surely, 2^{1003011403013} is an apocalyptic number.

It is an amenable number.

1003011403013 is a deficient number, since it is larger than the sum of its proper divisors (26741095).

1003011403013 is an equidigital number, since it uses as much as digits as its factorization.

1003011403013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26741094.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1003011403013 its reverse (3103041103001), we get a palindrome (4106052506014).

The spelling of 1003011403013 in words is "one trillion, three billion, eleven million, four hundred three thousand, thirteen".