3123320113 has 4 divisors (see below), whose sum is σ = 3150960228. Its totient is φ = 3095680000.

The previous prime is 3123320107. The next prime is 3123320141. The reversal of 3123320113 is 3110233213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3110233213 = 23 ⋅135227531.

It can be written as a sum of positive squares in 2 ways, for example, as 725063329 + 2398256784 = 26927^2 + 48972^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123320113 - 2⁹ = 3123319601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123320143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13819888 + ... + 13820113.

It is an arithmetic number, because the mean of its divisors is an integer number (787740057).

Almost surely, 2^3123320113 is an apocalyptic number.

It is an amenable number.

3123320113 is a deficient number, since it is larger than the sum of its proper divisors (27640115).

3123320113 is a wasteful number, since it uses less digits than its factorization.

3123320113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27640114.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3123320113 is about 55886.6720515724. The cubic root of 3123320113 is about 1461.7468477825.

Adding to 3123320113 its reverse (3110233213), we get a palindrome (6233553326).

The spelling of 3123320113 in words is "three billion, one hundred twenty-three million, three hundred twenty thousand, one hundred thirteen".