13223130112013 has 4 divisors (see below), whose sum is σ = 13256105499228. Its totient is φ = 13190154724800.

The previous prime is 13223130111949. The next prime is 13223130112021. The reversal of 13223130112013 is 31021103132231.

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 6054857478244 + 7168272633769 = 2460662^2 + 2677363^2 .

It is a cyclic number.

It is not a de Polignac number, because 13223130112013 - 2⁶ = 13223130111949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13223130112013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223130112033) 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, 16487693006 + ... + 16487693807.

It is an arithmetic number, because the mean of its divisors is an integer number (3314026374807).

Almost surely, 2^{13223130112013} is an apocalyptic number.

It is an amenable number.

13223130112013 is a deficient number, since it is larger than the sum of its proper divisors (32975387215).

13223130112013 is an equidigital number, since it uses as much as digits as its factorization.

13223130112013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32975387214.

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

Adding to 13223130112013 its reverse (31021103132231), we get a palindrome (44244233244244).

The spelling of 13223130112013 in words is "thirteen trillion, two hundred twenty-three billion, one hundred thirty million, one hundred twelve thousand, thirteen".