312271828 has 24 divisors (see below), whose sum is σ = 622077120. Its totient is φ = 135769920.

The previous prime is 312271819. The next prime is 312271847. The reversal of 312271828 is 828172213.

312271828 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 312271793 and 312271802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153273 + ... + 155296.

It is an arithmetic number, because the mean of its divisors is an integer number (25919880).

Almost surely, 2^312271828 is an apocalyptic number.

It is an amenable number.

312271828 is a deficient number, since it is larger than the sum of its proper divisors (309805292).

312271828 is a wasteful number, since it uses less digits than its factorization.

312271828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308607 (or 308605 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 312271828 is about 17671.2146724553. The cubic root of 312271828 is about 678.4392028426.

The spelling of 312271828 in words is "three hundred twelve million, two hundred seventy-one thousand, eight hundred twenty-eight".