3081050209 has 4 divisors (see below), whose sum is σ = 3098262960. Its totient is φ = 3063837460.

The previous prime is 3081050143. The next prime is 3081050213. The reversal of 3081050209 is 9020501803.

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 3081050209 - 2¹³ = 3081042017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3081050249) 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, 8606107 + ... + 8606464.

It is an arithmetic number, because the mean of its divisors is an integer number (774565740).

Almost surely, 2^3081050209 is an apocalyptic number.

It is an amenable number.

3081050209 is a deficient number, since it is larger than the sum of its proper divisors (17212751).

3081050209 is a wasteful number, since it uses less digits than its factorization.

3081050209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17212750.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 3081050209 is about 55507.2086219439. The cubic root of 3081050209 is about 1455.1226199293.

The spelling of 3081050209 in words is "three billion, eighty-one million, fifty thousand, two hundred nine".