13531201211 has 8 divisors (see below), whose sum is σ = 14762790000. Its totient is φ = 12299859040.

The previous prime is 13531201141. The next prime is 13531201213. The reversal of 13531201211 is 11210213531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13531201211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13531201213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64265 + ... + 176613.

It is an arithmetic number, because the mean of its divisors is an integer number (1845348750).

Almost surely, 2^13531201211 is an apocalyptic number.

13531201211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13531201211 is a deficient number, since it is larger than the sum of its proper divisors (1231588789).

13531201211 is a wasteful number, since it uses less digits than its factorization.

13531201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123309.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 13531201211 its reverse (11210213531), we get a palindrome (24741414742).

The spelling of 13531201211 in words is "thirteen billion, five hundred thirty-one million, two hundred one thousand, two hundred eleven".