44130213 has 6 divisors (see below), whose sum is σ = 63743654. Its totient is φ = 29420136.

The previous prime is 44130209. The next prime is 44130223. The reversal of 44130213 is 31203144.

It can be written as a sum of positive squares in only one way, i.e., 41563809 + 2566404 = 6447^2 + 1602^2 .

It is not a de Polignac number, because 44130213 - 2² = 44130209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44130223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2451670 + ... + 2451687.

Almost surely, 2^44130213 is an apocalyptic number.

It is an amenable number.

44130213 is a deficient number, since it is larger than the sum of its proper divisors (19613441).

44130213 is a wasteful number, since it uses less digits than its factorization.

44130213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4903363 (or 4903360 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 44130213 is about 6643.0575038908. The cubic root of 44130213 is about 353.3827460462.

Adding to 44130213 its reverse (31203144), we get a palindrome (75333357).

The spelling of 44130213 in words is "forty-four million, one hundred thirty thousand, two hundred thirteen".