244135122313 has 8 divisors (see below), whose sum is σ = 250754174280. Its totient is φ = 237517165440.

The previous prime is 244135122293. The next prime is 244135122331. The reversal of 244135122313 is 313221531442.

It can be written as a sum of positive squares in 4 ways, for example, as 3326059584 + 240809062729 = 57672^2 + 490723^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 244135122313 - 2³⁷ = 106696168841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244135122353) 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, 188583 + ... + 723763.

It is an arithmetic number, because the mean of its divisors is an integer number (31344271785).

Almost surely, 2^244135122313 is an apocalyptic number.

It is an amenable number.

244135122313 is a deficient number, since it is larger than the sum of its proper divisors (6619051967).

244135122313 is a wasteful number, since it uses less digits than its factorization.

244135122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547547.

The product of its digits is 17280, while the sum is 31.

Adding to 244135122313 its reverse (313221531442), we get a palindrome (557356653755).

The spelling of 244135122313 in words is "two hundred forty-four billion, one hundred thirty-five million, one hundred twenty-two thousand, three hundred thirteen".