213502230234 has 24 divisors (see below), whose sum is σ = 486934911840. Its totient is φ = 67421756808.

The previous prime is 213502230233. The next prime is 213502230301. The reversal of 213502230234 is 432032205312.

213502230234 is a `hidden beast` number, since 2 + 1 + 350 + 2 + 2 + 302 + 3 + 4 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213502230198 and 213502230207.

It is not an unprimeable number, because it can be changed into a prime (213502230233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 312137422 + ... + 312138105.

It is an arithmetic number, because the mean of its divisors is an integer number (20288954660).

Almost surely, 2^213502230234 is an apocalyptic number.

213502230234 is an abundant number, since it is smaller than the sum of its proper divisors (273432681606).

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

213502230234 is a wasteful number, since it uses less digits than its factorization.

213502230234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624275554 (or 624275551 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 213502230234 its reverse (432032205312), we get a palindrome (645534435546).

The spelling of 213502230234 in words is "two hundred thirteen billion, five hundred two million, two hundred thirty thousand, two hundred thirty-four".