3201115 has 4 divisors (see below), whose sum is σ = 3841344. Its totient is φ = 2560888.

The previous prime is 3201113. The next prime is 3201131. The reversal of 3201115 is 5111023.

3201115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5111023 = 43 ⋅118861.

It is a cyclic number.

It is not a de Polignac number, because 3201115 - 2¹ = 3201113 is a prime.

It is a Duffinian number.

3201115 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3201095 and 3201104.

It is not an unprimeable number, because it can be changed into a prime (3201113) 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 3 ways as a sum of consecutive naturals, for example, 320107 + ... + 320116.

It is an arithmetic number, because the mean of its divisors is an integer number (960336).

Almost surely, 2^3201115 is an apocalyptic number.

3201115 is a deficient number, since it is larger than the sum of its proper divisors (640229).

3201115 is an equidigital number, since it uses as much as digits as its factorization.

3201115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640228.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 3201115 is about 1789.1660068311. The cubic root of 3201115 is about 147.3783733545.

Adding to 3201115 its reverse (5111023), we get a palindrome (8312138).

The spelling of 3201115 in words is "three million, two hundred one thousand, one hundred fifteen".