210305152530 has 96 divisors (see below), whose sum is σ = 596704268160. Its totient is φ = 50965770240.

The previous prime is 210305152513. The next prime is 210305152567. The reversal of 210305152530 is 35251503012.

It is a happy number.

210305152530 is a `hidden beast` number, since 2 + 1 + 0 + 30 + 51 + 52 + 530 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 210305152494 and 210305152503.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3013714 + ... + 3082706.

It is an arithmetic number, because the mean of its divisors is an integer number (6215669460).

Almost surely, 2^210305152530 is an apocalyptic number.

210305152530 is an abundant number, since it is smaller than the sum of its proper divisors (386399115630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210305152530 is a wasteful number, since it uses less digits than its factorization.

210305152530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72096 (or 72093 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 210305152530 its reverse (35251503012), we get a palindrome (245556655542).

The spelling of 210305152530 in words is "two hundred ten billion, three hundred five million, one hundred fifty-two thousand, five hundred thirty".