3171220328 has 16 divisors (see below), whose sum is σ = 5952785280. Its totient is φ = 1583810928.

The previous prime is 3171220313. The next prime is 3171220333. The reversal of 3171220328 is 8230221713.

It is a self number, because there is not a number n which added to its sum of digits gives 3171220328.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217400 + ... + 231527.

It is an arithmetic number, because the mean of its divisors is an integer number (372049080).

Almost surely, 2^3171220328 is an apocalyptic number.

It is an amenable number.

3171220328 is a deficient number, since it is larger than the sum of its proper divisors (2781564952).

3171220328 is a wasteful number, since it uses less digits than its factorization.

3171220328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449816 (or 449812 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 3171220328 is about 56313.5891947938. The cubic root of 3171220328 is about 1469.1815716631.

The spelling of 3171220328 in words is "three billion, one hundred seventy-one million, two hundred twenty thousand, three hundred twenty-eight".