3112321311 has 24 divisors (see below), whose sum is σ = 4906973136. Its totient is φ = 1885213440.

The previous prime is 3112321307. The next prime is 3112321313. The reversal of 3112321311 is 1131232113.

3112321311 is a `hidden beast` number, since 31 + 1 + 2 + 321 + 311 = 666.

It is not a de Polignac number, because 3112321311 - 2² = 3112321307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112321313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195591 + ... + 210903.

It is an arithmetic number, because the mean of its divisors is an integer number (204457214).

Almost surely, 2^3112321311 is an apocalyptic number.

3112321311 is a deficient number, since it is larger than the sum of its proper divisors (1794651825).

3112321311 is a wasteful number, since it uses less digits than its factorization.

3112321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17383 (or 17380 counting only the distinct ones).

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

The square root of 3112321311 is about 55788.1825389571. The cubic root of 3112321311 is about 1460.0289778135.

Adding to 3112321311 its reverse (1131232113), we get a palindrome (4243553424).

It can be divided in two parts, 3112 and 321311, that added together give a palindrome (324423).

The spelling of 3112321311 in words is "three billion, one hundred twelve million, three hundred twenty-one thousand, three hundred eleven".