244231311113 has 2 divisors, whose sum is σ = 244231311114. Its totient is φ = 244231311112.

The previous prime is 244231311061. The next prime is 244231311131. The reversal of 244231311113 is 311113132442.

Together with next prime (244231311131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195194308864 + 49037002249 = 441808^2 + 221443^2 .

It is a cyclic number.

It is not a de Polignac number, because 244231311113 - 2⁸ = 244231310857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (244231311133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122115655556 + 122115655557.

It is an arithmetic number, because the mean of its divisors is an integer number (122115655557).

Almost surely, 2^244231311113 is an apocalyptic number.

It is an amenable number.

244231311113 is a deficient number, since it is larger than the sum of its proper divisors (1).

244231311113 is an equidigital number, since it uses as much as digits as its factorization.

244231311113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

Adding to 244231311113 its reverse (311113132442), we get a palindrome (555344443555).

The spelling of 244231311113 in words is "two hundred forty-four billion, two hundred thirty-one million, three hundred eleven thousand, one hundred thirteen".