244444231313 has 4 divisors (see below), whose sum is σ = 244445221668. Its totient is φ = 244443240960.

The previous prime is 244444231307. The next prime is 244444231351. The reversal of 244444231313 is 313132444442.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 159846436864 + 84597794449 = 399808^2 + 290857^2 .

It is a cyclic number.

It is not a de Polignac number, because 244444231313 - 2¹⁸ = 244443969169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244444231373) 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, 206345 + ... + 729017.

It is an arithmetic number, because the mean of its divisors is an integer number (61111305417).

Almost surely, 2^244444231313 is an apocalyptic number.

It is an amenable number.

244444231313 is a deficient number, since it is larger than the sum of its proper divisors (990355).

244444231313 is an equidigital number, since it uses as much as digits as its factorization.

244444231313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990354.

The product of its digits is 110592, while the sum is 35.

Adding to 244444231313 its reverse (313132444442), we get a palindrome (557576675755).

The spelling of 244444231313 in words is "two hundred forty-four billion, four hundred forty-four million, two hundred thirty-one thousand, three hundred thirteen".