312317 has 8 divisors (see below), whose sum is σ = 335616. Its totient is φ = 289872.

The previous prime is 312313. The next prime is 312331. The reversal of 312317 is 713213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312317 - 2² = 312313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312295 and 312304.

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 312317.

It is not an unprimeable number, because it can be changed into a prime (312311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668 + ... + 1034.

It is an arithmetic number, because the mean of its divisors is an integer number (41952).

2³¹²³¹⁷ is an apocalyptic number.

312317 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

312317 is a deficient number, since it is larger than the sum of its proper divisors (23299).

312317 is a wasteful number, since it uses less digits than its factorization.

312317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427.

The product of its digits is 126, while the sum is 17.

The square root of 312317 is about 558.8532902292. The cubic root of 312317 is about 67.8471914704.

The spelling of 312317 in words is "three hundred twelve thousand, three hundred seventeen", and thus it is an iban number.