312056 has 16 divisors (see below), whose sum is σ = 616200. Its totient is φ = 147744.

The previous prime is 312047. The next prime is 312071. The reversal of 312056 is 650213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875 + ... + 1178.

2³¹²⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

312056 is a deficient number, since it is larger than the sum of its proper divisors (304144).

312056 is a wasteful number, since it uses less digits than its factorization.

312056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 312056 is about 558.6197275428. The cubic root of 312056 is about 67.8282864774.

Adding to 312056 its reverse (650213), we get a palindrome (962269).

It can be divided in two parts, 31 and 2056, that multiplied together give a palindrome (63736).

The spelling of 312056 in words is "three hundred twelve thousand, fifty-six".