44002313 has 4 divisors (see below), whose sum is σ = 44391828. Its totient is φ = 43612800.

The previous prime is 44002303. The next prime is 44002331. The reversal of 44002313 is 31320044.

44002313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24571849 + 19430464 = 4957^2 + 4408^2 .

It is a cyclic number.

It is not a de Polignac number, because 44002313 - 2⁴ = 44002297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44002291 and 44002300.

It is not an unprimeable number, because it can be changed into a prime (44002303) 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, 194588 + ... + 194813.

It is an arithmetic number, because the mean of its divisors is an integer number (11097957).

Almost surely, 2^44002313 is an apocalyptic number.

It is an amenable number.

44002313 is a deficient number, since it is larger than the sum of its proper divisors (389515).

44002313 is a wasteful number, since it uses less digits than its factorization.

44002313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389514.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 44002313 is about 6633.4239273546. The cubic root of 44002313 is about 353.0410195573.

Adding to 44002313 its reverse (31320044), we get a palindrome (75322357).

The spelling of 44002313 in words is "forty-four million, two thousand, three hundred thirteen".