13224515026313 has 4 divisors (see below), whose sum is σ = 13224813720468. Its totient is φ = 13224216332160.

The previous prime is 13224515026309. The next prime is 13224515026321. The reversal of 13224515026313 is 31362051542231.

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 1500656850169 + 11723858176144 = 1225013^2 + 3424012^2 .

It is a cyclic number.

It is not a de Polignac number, because 13224515026313 - 2² = 13224515026309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13224515026213) 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, 149280656 + ... + 149369217.

It is an arithmetic number, because the mean of its divisors is an integer number (3306203430117).

Almost surely, 2^{13224515026313} is an apocalyptic number.

It is an amenable number.

13224515026313 is a deficient number, since it is larger than the sum of its proper divisors (298694155).

13224515026313 is an equidigital number, since it uses as much as digits as its factorization.

13224515026313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298694154.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 13224515026313 its reverse (31362051542231), we get a palindrome (44586566568544).

The spelling of 13224515026313 in words is "thirteen trillion, two hundred twenty-four billion, five hundred fifteen million, twenty-six thousand, three hundred thirteen".