13201324131321 has 12 divisors (see below), whose sum is σ = 20190260436372. Its totient is φ = 8283183768576.

The previous prime is 13201324131319. The next prime is 13201324131353. The reversal of 13201324131321 is 12313142310231.

13201324131321 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 1 + 324 + 1 + 313 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6611506551225 + 6589817580096 = 2571285^2 + 2567064^2 .

It is not a de Polignac number, because 13201324131321 - 2¹ = 13201324131319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13201324131301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43141581976 + ... + 43141582281.

It is an arithmetic number, because the mean of its divisors is an integer number (1682521703031).

Almost surely, 2^{13201324131321} is an apocalyptic number.

It is an amenable number.

13201324131321 is a deficient number, since it is larger than the sum of its proper divisors (6988936305051).

13201324131321 is a wasteful number, since it uses less digits than its factorization.

13201324131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86283164280 (or 86283164277 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 13201324131321 its reverse (12313142310231), we get a palindrome (25514466441552).

The spelling of 13201324131321 in words is "thirteen trillion, two hundred one billion, three hundred twenty-four million, one hundred thirty-one thousand, three hundred twenty-one".