3113112321 has 36 divisors (see below), whose sum is σ = 5016562096. Its totient is φ = 1858530960.

The previous prime is 3113112311. The next prime is 3113112367. The reversal of 3113112321 is 1232113113.

3113112321 is a `hidden beast` number, since 31 + 1 + 311 + 2 + 321 = 666.

It is not a de Polignac number, because 3113112321 - 2¹⁹ = 3112588033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3113112294 and 3113112303.

It is not an unprimeable number, because it can be changed into a prime (3113112311) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51630 + ... + 94296.

Almost surely, 2^3113112321 is an apocalyptic number.

It is an amenable number.

3113112321 is a deficient number, since it is larger than the sum of its proper divisors (1903449775).

3113112321 is a wasteful number, since it uses less digits than its factorization.

3113112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42762 (or 42748 counting only the distinct ones).

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

The square root of 3113112321 is about 55795.2714932009. The cubic root of 3113112321 is about 1460.1526582415.

Adding to 3113112321 its reverse (1232113113), we get a palindrome (4345225434).

The spelling of 3113112321 in words is "three billion, one hundred thirteen million, one hundred twelve thousand, three hundred twenty-one".