313243 has 8 divisors (see below), whose sum is σ = 363488. Its totient is φ = 264384.

The previous prime is 313241. The next prime is 313249. The reversal of 313243 is 342313.

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

It is a 6-Lehmer number, since φ(313243) divides (313243-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 313243 - 2¹ = 313241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313241) 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 7 ways as a sum of consecutive naturals, for example, 205 + ... + 817.

It is an arithmetic number, because the mean of its divisors is an integer number (45436).

2³¹³²⁴³ is an apocalyptic number.

313243 is a deficient number, since it is larger than the sum of its proper divisors (50245).

313243 is an equidigital number, since it uses as much as digits as its factorization.

313243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693.

The product of its digits is 216, while the sum is 16.

The square root of 313243 is about 559.6811592326. The cubic root of 313243 is about 67.9141795084.

Adding to 313243 its reverse (342313), we get a palindrome (655556).

The spelling of 313243 in words is "three hundred thirteen thousand, two hundred forty-three".