13103220321113 has 4 divisors (see below), whose sum is σ = 14111160345828. Its totient is φ = 12095280296400.

The previous prime is 13103220321101. The next prime is 13103220321137. The reversal of 13103220321113 is 31112302230131.

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 2402909217424 + 10700311103689 = 1550132^2 + 3271133^2 .

It is a cyclic number.

It is not a de Polignac number, because 13103220321113 - 2⁸ = 13103220320857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13103220321173) 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, 503970012338 + ... + 503970012363.

It is an arithmetic number, because the mean of its divisors is an integer number (3527790086457).

Almost surely, 2^{13103220321113} is an apocalyptic number.

13103220321113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13103220321113 is a deficient number, since it is larger than the sum of its proper divisors (1007940024715).

13103220321113 is a wasteful number, since it uses less digits than its factorization.

13103220321113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007940024714.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13103220321113 its reverse (31112302230131), we get a palindrome (44215522551244).

The spelling of 13103220321113 in words is "thirteen trillion, one hundred three billion, two hundred twenty million, three hundred twenty-one thousand, one hundred thirteen".