13323121220313 has 24 divisors (see below), whose sum is σ = 19373395679040. Its totient is φ = 8822603138400.

The previous prime is 13323121220257. The next prime is 13323121220317. The reversal of 13323121220313 is 31302212132331.

13323121220313 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 3 + 121 + 220 + 313 = 666.

13323121220313 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 13323121220313 - 2⁹ = 13323121219801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13323121220317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18272970 + ... + 18988092.

It is an arithmetic number, because the mean of its divisors is an integer number (807224819960).

Almost surely, 2^{13323121220313} is an apocalyptic number.

It is an amenable number.

13323121220313 is a deficient number, since it is larger than the sum of its proper divisors (6050274458727).

13323121220313 is a wasteful number, since it uses less digits than its factorization.

13323121220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728989 (or 728986 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 13323121220313 its reverse (31302212132331), we get a palindrome (44625333352644).

The spelling of 13323121220313 in words is "thirteen trillion, three hundred twenty-three billion, one hundred twenty-one million, two hundred twenty thousand, three hundred thirteen".