3123112311 has 24 divisors (see below), whose sum is σ = 5041305360. Its totient is φ = 1846627200.

The previous prime is 3123112309. The next prime is 3123112319. The reversal of 3123112311 is 1132113213.

3123112311 is a `hidden beast` number, since 312 + 31 + 12 + 311 = 666.

It is not a de Polignac number, because 3123112311 - 2¹ = 3123112309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123112319) 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 in 23 ways as a sum of consecutive naturals, for example, 380656 + ... + 388773.

It is an arithmetic number, because the mean of its divisors is an integer number (210054390).

Almost surely, 2^3123112311 is an apocalyptic number.

3123112311 is a deficient number, since it is larger than the sum of its proper divisors (1918193049).

3123112311 is a wasteful number, since it uses less digits than its factorization.

3123112311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769487 (or 769484 counting only the distinct ones).

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

The square root of 3123112311 is about 55884.8128832870. The cubic root of 3123112311 is about 1461.7144292189.

Adding to 3123112311 its reverse (1132113213), we get a palindrome (4255225524).

The spelling of 3123112311 in words is "three billion, one hundred twenty-three million, one hundred twelve thousand, three hundred eleven".