3115 has 8 divisors (see below), whose sum is σ = 4320. Its totient is φ = 2112.

The previous prime is 3109. The next prime is 3119. The reversal of 3115 is 5113.

3115 = 18² + 19² + ... + 24².

3115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3115 - 2⁵ = 3083 is a prime.

It is a plaindrome in base 13.

It is a nialpdrome in base 5 and base 15.

It is not an unprimeable number, because it can be changed into a prime (3119) 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, 10 + ... + 79.

It is an arithmetic number, because the mean of its divisors is an integer number (540).

2³¹¹⁵ is an apocalyptic number.

3115 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3115 is a deficient number, since it is larger than the sum of its proper divisors (1205).

3115 is an equidigital number, since it uses as much as digits as its factorization.

3115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101.

The product of its digits is 15, while the sum is 10.

The square root of 3115 is about 55.8121850495. The cubic root of 3115 is about 14.6044772657.

Adding to 3115 its sum of digits (10), we get a 5-th power (3125 = 5⁵).

Adding to 3115 its reverse (5113), we get a palindrome (8228).

It can be divided in two parts, 31 and 15, that multiplied together give a triangular number (465 = T₃₀).

The spelling of 3115 in words is "three thousand, one hundred fifteen".