210315234 has 16 divisors (see below), whose sum is σ = 420874560. Its totient is φ = 70064400.

The previous prime is 210315233. The next prime is 210315239. The reversal of 210315234 is 432513012.

210315234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 210315234.

It is not an unprimeable number, because it can be changed into a prime (210315233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2187 + ... + 20625.

It is an arithmetic number, because the mean of its divisors is an integer number (26304660).

Almost surely, 2^210315234 is an apocalyptic number.

210315234 is an abundant number, since it is smaller than the sum of its proper divisors (210559326).

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

210315234 is a wasteful number, since it uses less digits than its factorization.

210315234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20345.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 210315234 is about 14502.2492738196. The cubic root of 210315234 is about 594.6894634533.

Adding to 210315234 its reverse (432513012), we get a palindrome (642828246).

The spelling of 210315234 in words is "two hundred ten million, three hundred fifteen thousand, two hundred thirty-four".