244131213 has 8 divisors (see below), whose sum is σ = 327664576. Its totient is φ = 161676000.

The previous prime is 244131149. The next prime is 244131221. The reversal of 244131213 is 312131442.

244131213 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 244131213 - 2⁶ = 244131149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 244131213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244131263) 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, 269008 + ... + 269913.

It is an arithmetic number, because the mean of its divisors is an integer number (40958072).

Almost surely, 2^244131213 is an apocalyptic number.

It is an amenable number.

244131213 is a deficient number, since it is larger than the sum of its proper divisors (83533363).

244131213 is a wasteful number, since it uses less digits than its factorization.

244131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539075.

The product of its digits is 576, while the sum is 21.

The square root of 244131213 is about 15624.6988130972. The cubic root of 244131213 is about 624.9919683235.

Adding to 244131213 its reverse (312131442), we get a palindrome (556262655).

The spelling of 244131213 in words is "two hundred forty-four million, one hundred thirty-one thousand, two hundred thirteen".