213040302234 has 128 divisors (see below), whose sum is σ = 468839301120. Its totient is φ = 64285099200.

The previous prime is 213040302221. The next prime is 213040302271. The reversal of 213040302234 is 432203040312.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144826119 + ... + 144827589.

It is an arithmetic number, because the mean of its divisors is an integer number (3662807040).

Almost surely, 2^213040302234 is an apocalyptic number.

213040302234 is an abundant number, since it is smaller than the sum of its proper divisors (255798998886).

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

213040302234 is a wasteful number, since it uses less digits than its factorization.

213040302234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 213040302234 its reverse (432203040312), we get a palindrome (645243342546).

The spelling of 213040302234 in words is "two hundred thirteen billion, forty million, three hundred two thousand, two hundred thirty-four".