320115 has 8 divisors (see below), whose sum is σ = 512208. Its totient is φ = 170720.

The previous prime is 320113. The next prime is 320119. The reversal of 320115 is 511023.

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

It is not a de Polignac number, because 320115 - 2¹ = 320113 is a prime.

It is a super-2 number, since 2×320115² = 204947226450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320115.

It is not an unprimeable number, because it can be changed into a prime (320113) 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, 10656 + ... + 10685.

It is an arithmetic number, because the mean of its divisors is an integer number (64026).

2³²⁰¹¹⁵ is an apocalyptic number.

320115 is a deficient number, since it is larger than the sum of its proper divisors (192093).

320115 is a wasteful number, since it uses less digits than its factorization.

320115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21349.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 320115 is about 565.7870624184. The cubic root of 320115 is about 68.4072305205.

Adding to 320115 its reverse (511023), we get a palindrome (831138).

It can be divided in two parts, 320 and 115, that added together give a triangular number (435 = T₂₉).

The spelling of 320115 in words is "three hundred twenty thousand, one hundred fifteen".