3113221311 has 40 divisors (see below), whose sum is σ = 4819391280. Its totient is φ = 2000412288.

The previous prime is 3113221289. The next prime is 3113221333. The reversal of 3113221311 is 1131223113.

3113221311 is a `hidden beast` number, since 31 + 1 + 322 + 1 + 311 = 666.

It is an interprime number because it is at equal distance from previous prime (3113221289) and next prime (3113221333).

It is not a de Polignac number, because 3113221311 - 2⁷ = 3113221183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113221351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2425876 + ... + 2427158.

It is an arithmetic number, because the mean of its divisors is an integer number (120484782).

Almost surely, 2^3113221311 is an apocalyptic number.

3113221311 is a deficient number, since it is larger than the sum of its proper divisors (1706169969).

3113221311 is a wasteful number, since it uses less digits than its factorization.

3113221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357 (or 2348 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 3113221311 is about 55796.2481803212. The cubic root of 3113221311 is about 1460.1696980144.

Adding to 3113221311 its reverse (1131223113), we get a palindrome (4244444424).

The spelling of 3113221311 in words is "three billion, one hundred thirteen million, two hundred twenty-one thousand, three hundred eleven".