215130334 has 16 divisors (see below), whose sum is σ = 325711872. Its totient is φ = 106564248.

The previous prime is 215130287. The next prime is 215130341. The reversal of 215130334 is 433031512.

215130334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123997 + ... + 125719.

It is an arithmetic number, because the mean of its divisors is an integer number (20356992).

Almost surely, 2^215130334 is an apocalyptic number.

215130334 is a deficient number, since it is larger than the sum of its proper divisors (110581538).

215130334 is a wasteful number, since it uses less digits than its factorization.

215130334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 215130334 is about 14667.3219777845. The cubic root of 215130334 is about 599.1936705772.

Adding to 215130334 its reverse (433031512), we get a palindrome (648161846).

The spelling of 215130334 in words is "two hundred fifteen million, one hundred thirty thousand, three hundred thirty-four".