13213244234011 has 4 divisors (see below), whose sum is σ = 13224137264272. Its totient is φ = 13202351203752.

The previous prime is 13213244233967. The next prime is 13213244234023. The reversal of 13213244234011 is 11043244231231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13213244234011 - 2⁹ = 13213244233499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13213244234611) 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, 5446513311 + ... + 5446515736.

It is an arithmetic number, because the mean of its divisors is an integer number (3306034316068).

Almost surely, 2^{13213244234011} is an apocalyptic number.

13213244234011 is a deficient number, since it is larger than the sum of its proper divisors (10893030261).

13213244234011 is a wasteful number, since it uses less digits than its factorization.

13213244234011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10893030260.

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

Adding to 13213244234011 its reverse (11043244231231), we get a palindrome (24256488465242).

The spelling of 13213244234011 in words is "thirteen trillion, two hundred thirteen billion, two hundred forty-four million, two hundred thirty-four thousand, eleven".