2003310103313 has 4 divisors (see below), whose sum is σ = 2003313322980. Its totient is φ = 2003306883648.

The previous prime is 2003310103303. The next prime is 2003310103331. The reversal of 2003310103313 is 3133010133002.

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 1552844961424 + 450465141889 = 1246132^2 + 671167^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003310103313 - 2⁸ = 2003310103057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003310103303) 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, 345548 + ... + 2031261.

It is an arithmetic number, because the mean of its divisors is an integer number (500828330745).

Almost surely, 2^{2003310103313} is an apocalyptic number.

It is an amenable number.

2003310103313 is a deficient number, since it is larger than the sum of its proper divisors (3219667).

2003310103313 is an equidigital number, since it uses as much as digits as its factorization.

2003310103313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219666.

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

Adding to 2003310103313 its reverse (3133010133002), we get a palindrome (5136320236315).

The spelling of 2003310103313 in words is "two trillion, three billion, three hundred ten million, one hundred three thousand, three hundred thirteen".