315343 has 8 divisors (see below), whose sum is σ = 379520. Its totient is φ = 255960.

The previous prime is 315313. The next prime is 315349. The reversal of 315343 is 343513.

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 315343 - 2¹⁷ = 184271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053 + ... + 1318.

It is an arithmetic number, because the mean of its divisors is an integer number (47440).

2³¹⁵³⁴³ is an apocalyptic number.

315343 is a deficient number, since it is larger than the sum of its proper divisors (64177).

315343 is a wasteful number, since it uses less digits than its factorization.

315343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397.

The product of its digits is 540, while the sum is 19.

The square root of 315343 is about 561.5540935653. The cubic root of 315343 is about 68.0656085354.

Adding to 315343 its reverse (343513), we get a palindrome (658856).

The spelling of 315343 in words is "three hundred fifteen thousand, three hundred forty-three".