1003331203013 has 4 divisors (see below), whose sum is σ = 1026664486848. Its totient is φ = 979997919180.

The previous prime is 1003331202989. The next prime is 1003331203031. The reversal of 1003331203013 is 3103021333001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1003331203013 - 2³⁸ = 728453296069 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 (1003331203033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11666641853 + ... + 11666641938.

It is an arithmetic number, because the mean of its divisors is an integer number (256666121712).

Almost surely, 2^{1003331203013} is an apocalyptic number.

It is an amenable number.

1003331203013 is a deficient number, since it is larger than the sum of its proper divisors (23333283835).

1003331203013 is an equidigital number, since it uses as much as digits as its factorization.

1003331203013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23333283834.

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

Adding to 1003331203013 its reverse (3103021333001), we get a palindrome (4106352536014).

The spelling of 1003331203013 in words is "one trillion, three billion, three hundred thirty-one million, two hundred three thousand, thirteen".