3115220205 has 16 divisors (see below), whose sum is σ = 4985049600. Its totient is φ = 1661218368.

The previous prime is 3115220203. The next prime is 3115220209. The reversal of 3115220205 is 5020225113.

It is not a de Polignac number, because 3115220205 - 2¹ = 3115220203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115220201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182371 + ... + 198719.

It is an arithmetic number, because the mean of its divisors is an integer number (311565600).

Almost surely, 2^3115220205 is an apocalyptic number.

It is an amenable number.

3115220205 is a deficient number, since it is larger than the sum of its proper divisors (1869829395).

3115220205 is a wasteful number, since it uses less digits than its factorization.

3115220205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29060.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 3115220205 is about 55814.1577469373. The cubic root of 3115220205 is about 1460.4821396633.

Adding to 3115220205 its reverse (5020225113), we get a palindrome (8135445318).

The spelling of 3115220205 in words is "three billion, one hundred fifteen million, two hundred twenty thousand, two hundred five".