215312114 has 8 divisors (see below), whose sum is σ = 323369820. Its totient is φ = 107522176.

The previous prime is 215312087. The next prime is 215312159. The reversal of 215312114 is 411213512.

It can be written as a sum of positive squares in 2 ways, for example, as 189475225 + 25836889 = 13765^2 + 5083^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64919 + ... + 68154.

Almost surely, 2^215312114 is an apocalyptic number.

215312114 is a deficient number, since it is larger than the sum of its proper divisors (108057706).

215312114 is a wasteful number, since it uses less digits than its factorization.

215312114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133884.

The product of its digits is 240, while the sum is 20.

The square root of 215312114 is about 14673.5174378879. The cubic root of 215312114 is about 599.3623911835.

Adding to 215312114 its reverse (411213512), we get a palindrome (626525626).

It can be divided in two parts, 21 and 5312114, that added together give a palindrome (5312135).

The spelling of 215312114 in words is "two hundred fifteen million, three hundred twelve thousand, one hundred fourteen".