244340211331 has 4 divisors (see below), whose sum is σ = 252222153664. Its totient is φ = 236458269000.

The previous prime is 244340211329. The next prime is 244340211397. The reversal of 244340211331 is 133112043442.

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 244340211331 - 2¹ = 244340211329 is a prime.

It is a super-2 number, since 2×244340211331² (a number of 24 digits) contains 22 as substring.

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 244340211331.

It is not an unprimeable number, because it can be changed into a prime (244340211301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3940971120 + ... + 3940971181.

It is an arithmetic number, because the mean of its divisors is an integer number (63055538416).

Almost surely, 2^244340211331 is an apocalyptic number.

244340211331 is a deficient number, since it is larger than the sum of its proper divisors (7881942333).

244340211331 is an equidigital number, since it uses as much as digits as its factorization.

244340211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7881942332.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 244340211331 its reverse (133112043442), we get a palindrome (377452254773).

The spelling of 244340211331 in words is "two hundred forty-four billion, three hundred forty million, two hundred eleven thousand, three hundred thirty-one".