244120313 has 4 divisors (see below), whose sum is σ = 244158720. Its totient is φ = 244081908.

The previous prime is 244120309. The next prime is 244120337. The reversal of 244120313 is 313021442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 244120313 - 2² = 244120309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244120013) 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, 7145 + ... + 23222.

It is an arithmetic number, because the mean of its divisors is an integer number (61039680).

Almost surely, 2^244120313 is an apocalyptic number.

It is an amenable number.

244120313 is a deficient number, since it is larger than the sum of its proper divisors (38407).

244120313 is an equidigital number, since it uses as much as digits as its factorization.

244120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38406.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 244120313 is about 15624.3500024801. The cubic root of 244120313 is about 624.9826666126.

Adding to 244120313 its reverse (313021442), we get a palindrome (557141755).

The spelling of 244120313 in words is "two hundred forty-four million, one hundred twenty thousand, three hundred thirteen".