13021310003103 has 12 divisors (see below), whose sum is σ = 18826286106888. Its totient is φ = 8672691544560.

The previous prime is 13021310003077. The next prime is 13021310003173. The reversal of 13021310003103 is 30130001312031.

It is a happy number.

13021310003103 is a `hidden beast` number, since 130 + 213 + 10 + 0 + 0 + 310 + 3 = 666.

It is not a de Polignac number, because 13021310003103 - 2²⁰ = 13021308954527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021310003173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681805825 + ... + 681824922.

It is an arithmetic number, because the mean of its divisors is an integer number (1568857175574).

Almost surely, 2^{13021310003103} is an apocalyptic number.

13021310003103 is a deficient number, since it is larger than the sum of its proper divisors (5804976103785).

13021310003103 is a wasteful number, since it uses less digits than its factorization.

13021310003103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363631814 (or 1363631811 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13021310003103 its reverse (30130001312031), we get a palindrome (43151311315134).

The spelling of 13021310003103 in words is "thirteen trillion, twenty-one billion, three hundred ten million, three thousand, one hundred three".