13021312103003 has 4 divisors (see below), whose sum is σ = 13023876873120. Its totient is φ = 13018747332888.

The previous prime is 13021312102951. The next prime is 13021312103011. The reversal of 13021312103003 is 30030121312031.

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 13021312103003 - 2³⁴ = 13004132233819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021312103603) 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, 1282377443 + ... + 1282387596.

It is an arithmetic number, because the mean of its divisors is an integer number (3255969218280).

Almost surely, 2^{13021312103003} is an apocalyptic number.

13021312103003 is a deficient number, since it is larger than the sum of its proper divisors (2564770117).

13021312103003 is an equidigital number, since it uses as much as digits as its factorization.

13021312103003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564770116.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13021312103003 its reverse (30030121312031), we get a palindrome (43051433415034).

The spelling of 13021312103003 in words is "thirteen trillion, twenty-one billion, three hundred twelve million, one hundred three thousand, three".