244013313 has 4 divisors (see below), whose sum is σ = 325351088. Its totient is φ = 162675540.

The previous prime is 244013311. The next prime is 244013317. The reversal of 244013313 is 313310442.

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 not a de Polignac number, because 244013313 - 2¹ = 244013311 is a prime.

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 244013313.

It is not an unprimeable number, because it can be changed into a prime (244013311) 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, 40668883 + ... + 40668888.

It is an arithmetic number, because the mean of its divisors is an integer number (81337772).

Almost surely, 2^244013313 is an apocalyptic number.

It is an amenable number.

244013313 is a deficient number, since it is larger than the sum of its proper divisors (81337775).

244013313 is an equidigital number, since it uses as much as digits as its factorization.

244013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81337774.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 244013313 is about 15620.9254847464. The cubic root of 244013313 is about 624.8913415371.

Adding to 244013313 its reverse (313310442), we get a palindrome (557323755).

It can be divided in two parts, 2440 and 13313, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 244013313 in words is "two hundred forty-four million, thirteen thousand, three hundred thirteen".