3123312113 has 2 divisors, whose sum is σ = 3123312114. Its totient is φ = 3123312112.

The previous prime is 3123312107. The next prime is 3123312139. The reversal of 3123312113 is 3112133213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2022930529 + 1100381584 = 44977^2 + 33172^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123312113 - 2¹⁰ = 3123311089 is a prime.

It is not a weakly prime, because it can be changed into another prime (3123312173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561656056 + 1561656057.

It is an arithmetic number, because the mean of its divisors is an integer number (1561656057).

Almost surely, 2^3123312113 is an apocalyptic number.

It is an amenable number.

3123312113 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123312113 is an equidigital number, since it uses as much as digits as its factorization.

3123312113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 20.

The square root of 3123312113 is about 55886.6004781110. The cubic root of 3123312113 is about 1461.7455997532.

Adding to 3123312113 its reverse (3112133213), we get a palindrome (6235445326).

The spelling of 3123312113 in words is "three billion, one hundred twenty-three million, three hundred twelve thousand, one hundred thirteen".