3112151728 has 20 divisors (see below), whose sum is σ = 6891193360. Its totient is φ = 1333779264.

The previous prime is 3112151719. The next prime is 3112151729. The reversal of 3112151728 is 8271512113.

It is a self number, because there is not a number n which added to its sum of digits gives 3112151728.

It is not an unprimeable number, because it can be changed into a prime (3112151729) 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 3 ways as a sum of consecutive naturals, for example, 13893423 + ... + 13893646.

It is an arithmetic number, because the mean of its divisors is an integer number (344559668).

Almost surely, 2^3112151728 is an apocalyptic number.

It is an amenable number.

3112151728 is an abundant number, since it is smaller than the sum of its proper divisors (3779041632).

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

3112151728 is a wasteful number, since it uses less digits than its factorization.

3112151728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27787084 (or 27787078 counting only the distinct ones).

The product of its digits is 3360, while the sum is 31.

The square root of 3112151728 is about 55786.6626354364. The cubic root of 3112151728 is about 1460.0024594942.

The spelling of 3112151728 in words is "three billion, one hundred twelve million, one hundred fifty-one thousand, seven hundred twenty-eight".