3081672205 has 12 divisors (see below), whose sum is σ = 3713674356. Its totient is φ = 2454905600.

The previous prime is 3081672199. The next prime is 3081672221. The reversal of 3081672205 is 5022761803.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 8743849 + 3072928356 = 2957^2 + 55434^2 .

It is not a de Polignac number, because 3081672205 - 2¹⁵ = 3081639437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2080065 + ... + 2081545.

It is an arithmetic number, because the mean of its divisors is an integer number (309472863).

Almost surely, 2^3081672205 is an apocalyptic number.

It is an amenable number.

3081672205 is a deficient number, since it is larger than the sum of its proper divisors (632002151).

3081672205 is an frugal number, since it uses more digits than its factorization.

3081672205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248 (or 1767 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 3081672205 is about 55512.8111790423. The cubic root of 3081672205 is about 1455.2205323822.

The spelling of 3081672205 in words is "three billion, eighty-one million, six hundred seventy-two thousand, two hundred five".