3105312112 has 80 divisors (see below), whose sum is σ = 7136775360. Its totient is φ = 1280692224.

The previous prime is 3105312097. The next prime is 3105312127. The reversal of 3105312112 is 2112135013.

3105312112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3105312097) and next prime (3105312127).

It is a self number, because there is not a number n which added to its sum of digits gives 3105312112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093158 + ... + 1095994.

It is an arithmetic number, because the mean of its divisors is an integer number (89209692).

Almost surely, 2^3105312112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3105312112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3568387680).

3105312112 is an abundant number, since it is smaller than the sum of its proper divisors (4031463248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3105312112 is a wasteful number, since it uses less digits than its factorization.

3105312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218 (or 3212 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 3105312112 is about 55725.3273835157. The cubic root of 3105312112 is about 1458.9321195977.

Adding to 3105312112 its reverse (2112135013), we get a palindrome (5217447125).

The spelling of 3105312112 in words is "three billion, one hundred five million, three hundred twelve thousand, one hundred twelve".