3115240215 has 8 divisors (see below), whose sum is σ = 4984384368. Its totient is φ = 1661461440.

The previous prime is 3115240199. The next prime is 3115240217. The reversal of 3115240215 is 5120425113.

It is a happy number.

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

It is not a de Polignac number, because 3115240215 - 2⁴ = 3115240199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115240217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103841326 + ... + 103841355.

It is an arithmetic number, because the mean of its divisors is an integer number (623048046).

Almost surely, 2^3115240215 is an apocalyptic number.

3115240215 is a deficient number, since it is larger than the sum of its proper divisors (1869144153).

3115240215 is a wasteful number, since it uses less digits than its factorization.

3115240215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207682689.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 3115240215 is about 55814.3370022434. The cubic root of 3115240215 is about 1460.4852666959.

Adding to 3115240215 its reverse (5120425113), we get a palindrome (8235665328).

The spelling of 3115240215 in words is "three billion, one hundred fifteen million, two hundred forty thousand, two hundred fifteen".