312159 has 4 divisors (see below), whose sum is σ = 416216. Its totient is φ = 208104.

The previous prime is 312121. The next prime is 312161. The reversal of 312159 is 951213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951213 = 3 ⋅317071.

It is not a de Polignac number, because 312159 - 2⁷ = 312031 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 312159.

It is not an unprimeable number, because it can be changed into a prime (312199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52024 + ... + 52029.

It is an arithmetic number, because the mean of its divisors is an integer number (104054).

2³¹²¹⁵⁹ is an apocalyptic number.

312159 is a deficient number, since it is larger than the sum of its proper divisors (104057).

312159 is a wasteful number, since it uses less digits than its factorization.

312159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104056.

The product of its digits is 270, while the sum is 21.

The square root of 312159 is about 558.7119114535. The cubic root of 312159 is about 67.8357483272.

The spelling of 312159 in words is "three hundred twelve thousand, one hundred fifty-nine".