215013306530 has 32 divisors (see below), whose sum is σ = 428154553728. Its totient is φ = 77085433600.

The previous prime is 215013306511. The next prime is 215013306533. The reversal of 215013306530 is 35603310512.

It is a junction number, because it is equal to n+sod(n) for n = 215013306493 and 215013306502.

It is not an unprimeable number, because it can be changed into a prime (215013306533) by changing a digit.

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, 13757447 + ... + 13773066.

It is an arithmetic number, because the mean of its divisors is an integer number (13379829804).

Almost surely, 2^215013306530 is an apocalyptic number.

215013306530 is a deficient number, since it is larger than the sum of its proper divisors (213141247198).

215013306530 is a wasteful number, since it uses less digits than its factorization.

215013306530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27530602.

The product of its (nonzero) digits is 8100, while the sum is 29.

The spelling of 215013306530 in words is "two hundred fifteen billion, thirteen million, three hundred six thousand, five hundred thirty".