3115242215 has 16 divisors (see below), whose sum is σ = 3831686208. Its totient is φ = 2430494976.

The previous prime is 3115242211. The next prime is 3115242239. The reversal of 3115242215 is 5122425113.

It is a cyclic number.

It is not a de Polignac number, because 3115242215 - 2² = 3115242211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115242211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9059 + ... + 79451.

It is an arithmetic number, because the mean of its divisors is an integer number (239480388).

Almost surely, 2^3115242215 is an apocalyptic number.

3115242215 is a deficient number, since it is larger than the sum of its proper divisors (716443993).

3115242215 is a wasteful number, since it uses less digits than its factorization.

3115242215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70618.

The product of its digits is 2400, while the sum is 26.

The square root of 3115242215 is about 55814.3549187841. The cubic root of 3115242215 is about 1460.4855792421.

Adding to 3115242215 its reverse (5122425113), we get a palindrome (8237667328).

The spelling of 3115242215 in words is "three billion, one hundred fifteen million, two hundred forty-two thousand, two hundred fifteen".