13311243204241 has 4 divisors (see below), whose sum is σ = 13311776169252. Its totient is φ = 13310710239232.

The previous prime is 13311243204197. The next prime is 13311243204247. The reversal of 13311243204241 is 14240234211331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85656314241 + 13225586890000 = 292671^2 + 3636700^2 .

It is a cyclic number.

It is not a de Polignac number, because 13311243204241 - 2⁹ = 13311243203729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311243204247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266445040 + ... + 266494993.

It is an arithmetic number, because the mean of its divisors is an integer number (3327944042313).

Almost surely, 2^{13311243204241} is an apocalyptic number.

It is an amenable number.

13311243204241 is a deficient number, since it is larger than the sum of its proper divisors (532965011).

13311243204241 is an equidigital number, since it uses as much as digits as its factorization.

13311243204241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532965010.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 13311243204241 its reverse (14240234211331), we get a palindrome (27551477415572).

The spelling of 13311243204241 in words is "thirteen trillion, three hundred eleven billion, two hundred forty-three million, two hundred four thousand, two hundred forty-one".