315347 has 4 divisors (see below), whose sum is σ = 318696. Its totient is φ = 312000.

The previous prime is 315313. The next prime is 315349. The reversal of 315347 is 743513.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743513 = 43 ⋅17291.

It is a cyclic number.

It is not a de Polignac number, because 315347 - 2¹⁶ = 249811 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315347.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1529 + ... + 1722.

It is an arithmetic number, because the mean of its divisors is an integer number (79674).

2³¹⁵³⁴⁷ is an apocalyptic number.

315347 is a deficient number, since it is larger than the sum of its proper divisors (3349).

315347 is an equidigital number, since it uses as much as digits as its factorization.

315347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348.

The product of its digits is 1260, while the sum is 23.

The square root of 315347 is about 561.5576550987. The cubic root of 315347 is about 68.0658963292.

The spelling of 315347 in words is "three hundred fifteen thousand, three hundred forty-seven".