215130234244 has 48 divisors (see below), whose sum is σ = 388575444096. Its totient is φ = 104150188800.

The previous prime is 215130234181. The next prime is 215130234251. The reversal of 215130234244 is 442432031512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20230809 + ... + 20241439.

It is an arithmetic number, because the mean of its divisors is an integer number (8095321752).

Almost surely, 2^215130234244 is an apocalyptic number.

It is an amenable number.

215130234244 is a deficient number, since it is larger than the sum of its proper divisors (173445209852).

215130234244 is a wasteful number, since it uses less digits than its factorization.

215130234244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11596 (or 11594 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 215130234244 its reverse (442432031512), we get a palindrome (657562265756).

The spelling of 215130234244 in words is "two hundred fifteen billion, one hundred thirty million, two hundred thirty-four thousand, two hundred forty-four".