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13201311211 = 113229371669
BaseRepresentation
bin11000100101101110…
…00000010111101011
31021002000121002112021
430102313000113223
5204014013424321
610021541525311
7645066202534
oct142267002753
937060532467
1013201311211
115664883560
122685113837
131324cc7a6a
148d33ad68b
15523e69941
hex312dc05eb

13201311211 has 8 divisors (see below), whose sum is σ = 14405929200. Its totient is φ = 11997443040.

The previous prime is 13201311199. The next prime is 13201311229. The reversal of 13201311211 is 11211310231.

It is a happy number.

13201311211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13201311211 - 29 = 13201310699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13201311611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150316 + ... + 221353.

It is an arithmetic number, because the mean of its divisors is an integer number (1800741150).

Almost surely, 213201311211 is an apocalyptic number.

13201311211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13201311211 is a deficient number, since it is larger than the sum of its proper divisors (1204617989).

13201311211 is a wasteful number, since it uses less digits than its factorization.

13201311211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374909.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13201311211 its reverse (11211310231), we get a palindrome (24412621442).

The spelling of 13201311211 in words is "thirteen billion, two hundred one million, three hundred eleven thousand, two hundred eleven".

Divisors: 1 11 3229 35519 371669 4088359 1200119201 13201311211