3122120313 has 12 divisors (see below), whose sum is σ = 4856631780. Its totient is φ = 1921304736.

The previous prime is 3122120297. The next prime is 3122120341. The reversal of 3122120313 is 3130212213.

3122120313 is a `hidden beast` number, since 312 + 21 + 20 + 313 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 927385209 + 2194735104 = 30453^2 + 46848^2 .

It is not a de Polignac number, because 3122120313 - 2⁴ = 3122120297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3122120213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13342278 + ... + 13342511.

It is an arithmetic number, because the mean of its divisors is an integer number (404719315).

Almost surely, 2^3122120313 is an apocalyptic number.

It is an amenable number.

3122120313 is a deficient number, since it is larger than the sum of its proper divisors (1734511467).

3122120313 is a wasteful number, since it uses less digits than its factorization.

3122120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26684808 (or 26684805 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3122120313 is about 55875.9367975160. The cubic root of 3122120313 is about 1461.5596507803.

Adding to 3122120313 its reverse (3130212213), we get a palindrome (6252332526).

The spelling of 3122120313 in words is "three billion, one hundred twenty-two million, one hundred twenty thousand, three hundred thirteen".