1003103213303 has 4 divisors (see below), whose sum is σ = 1004841694320. Its totient is φ = 1001364732288.

The previous prime is 1003103213267. The next prime is 1003103213327. The reversal of 1003103213303 is 3033123013001.

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 1003103213303 - 2¹⁸ = 1003102951159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003103213003) 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, 869239643 + ... + 869240796.

It is an arithmetic number, because the mean of its divisors is an integer number (251210423580).

Almost surely, 2^{1003103213303} is an apocalyptic number.

1003103213303 is a deficient number, since it is larger than the sum of its proper divisors (1738481017).

1003103213303 is an equidigital number, since it uses as much as digits as its factorization.

1003103213303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738481016.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 1003103213303 its reverse (3033123013001), we get a palindrome (4036226226304).

The spelling of 1003103213303 in words is "one trillion, three billion, one hundred three million, two hundred thirteen thousand, three hundred three".