13313230121321 has 16 divisors (see below), whose sum is σ = 14635878783120. Its totient is φ = 12034122147840.

The previous prime is 13313230121299. The next prime is 13313230121423. The reversal of 13313230121321 is 12312103231331.

13313230121321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 570079361296 + 12743150760025 = 755036^2 + 3569755^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13313230121321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13313230123321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18184736 + ... + 18902673.

It is an arithmetic number, because the mean of its divisors is an integer number (914742423945).

Almost surely, 2^{13313230121321} is an apocalyptic number.

It is an amenable number.

13313230121321 is a deficient number, since it is larger than the sum of its proper divisors (1322648661799).

13313230121321 is a wasteful number, since it uses less digits than its factorization.

13313230121321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37087996.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13313230121321 its reverse (12312103231331), we get a palindrome (25625333352652).

The spelling of 13313230121321 in words is "thirteen trillion, three hundred thirteen billion, two hundred thirty million, one hundred twenty-one thousand, three hundred twenty-one".