210322130 has 32 divisors (see below), whose sum is σ = 405382320. Its totient is φ = 78284800.

The previous prime is 210322117. The next prime is 210322163. The reversal of 210322130 is 31223012.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 122168809 + 88153321 = 11053^2 + 9389^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8180 + ... + 22080.

Almost surely, 2^210322130 is an apocalyptic number.

210322130 is a deficient number, since it is larger than the sum of its proper divisors (195060190).

210322130 is a wasteful number, since it uses less digits than its factorization.

210322130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14014.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 210322130 is about 14502.4870280928. The cubic root of 210322130 is about 594.6959631151.

Adding to 210322130 its reverse (31223012), we get a palindrome (241545142).

The spelling of 210322130 in words is "two hundred ten million, three hundred twenty-two thousand, one hundred thirty".