13144013213 has 4 divisors (see below), whose sum is σ = 13260332028. Its totient is φ = 13027694400.

The previous prime is 13144013203. The next prime is 13144013219. The reversal of 13144013213 is 31231044131.

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 482812729 + 12661200484 = 21973^2 + 112522^2 .

It is a cyclic number.

It is not a de Polignac number, because 13144013213 - 2⁸ = 13144012957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144013219) 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, 58159238 + ... + 58159463.

It is an arithmetic number, because the mean of its divisors is an integer number (3315083007).

Almost surely, 2^13144013213 is an apocalyptic number.

It is an amenable number.

13144013213 is a deficient number, since it is larger than the sum of its proper divisors (116318815).

13144013213 is a wasteful number, since it uses less digits than its factorization.

13144013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116318814.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13144013213 its reverse (31231044131), we get a palindrome (44375057344).

The spelling of 13144013213 in words is "thirteen billion, one hundred forty-four million, thirteen thousand, two hundred thirteen".