1003113131203 has 4 divisors (see below), whose sum is σ = 1003116117888. Its totient is φ = 1003110144520.

The previous prime is 1003113131201. The next prime is 1003113131393. The reversal of 1003113131203 is 3021313113001.

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

It is a cyclic number.

It is not a de Polignac number, because 1003113131203 - 2¹ = 1003113131201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003113131201) 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, 914851 + ... + 1686172.

It is an arithmetic number, because the mean of its divisors is an integer number (250779029472).

Almost surely, 2^{1003113131203} is an apocalyptic number.

1003113131203 is a deficient number, since it is larger than the sum of its proper divisors (2986685).

1003113131203 is an equidigital number, since it uses as much as digits as its factorization.

1003113131203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986684.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1003113131203 its reverse (3021313113001), we get a palindrome (4024426244204).

The spelling of 1003113131203 in words is "one trillion, three billion, one hundred thirteen million, one hundred thirty-one thousand, two hundred three".