244321013 has 4 divisors (see below), whose sum is σ = 252202368. Its totient is φ = 236439660.

The previous prime is 244321001. The next prime is 244321037. The reversal of 244321013 is 310123442.

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 244321013 - 2⁴ = 244320997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244321613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3940631 + ... + 3940692.

It is an arithmetic number, because the mean of its divisors is an integer number (63050592).

Almost surely, 2^244321013 is an apocalyptic number.

It is an amenable number.

244321013 is a deficient number, since it is larger than the sum of its proper divisors (7881355).

244321013 is an equidigital number, since it uses as much as digits as its factorization.

244321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7881354.

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

The square root of 244321013 is about 15630.7713501286. The cubic root of 244321013 is about 625.1538931972.

Adding to 244321013 its reverse (310123442), we get a palindrome (554444455).

The spelling of 244321013 in words is "two hundred forty-four million, three hundred twenty-one thousand, thirteen".