13312221131305 has 16 divisors (see below), whose sum is σ = 15981459462144. Its totient is φ = 10645248035520.

The previous prime is 13312221131243. The next prime is 13312221131311. The reversal of 13312221131305 is 50313112221331.

13312221131305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13312221131305 - 2⁷ = 13312221131177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331732152 + ... + 331772278.

It is an arithmetic number, because the mean of its divisors is an integer number (998841216384).

Almost surely, 2^{13312221131305} is an apocalyptic number.

It is an amenable number.

13312221131305 is a deficient number, since it is larger than the sum of its proper divisors (2669238330839).

13312221131305 is a wasteful number, since it uses less digits than its factorization.

13312221131305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66696.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 13312221131305 its reverse (50313112221331), we get a palindrome (63625333352636).

The spelling of 13312221131305 in words is "thirteen trillion, three hundred twelve billion, two hundred twenty-one million, one hundred thirty-one thousand, three hundred five".