213203302230 has 32 divisors (see below), whose sum is σ = 513322733664. Its totient is φ = 56672568576.

The previous prime is 213203302217. The next prime is 213203302237. The reversal of 213203302230 is 32203302312.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213203302197 and 213203302206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213203302237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11343289 + ... + 11362068.

It is an arithmetic number, because the mean of its divisors is an integer number (16041335427).

Almost surely, 2^213203302230 is an apocalyptic number.

213203302230 is an abundant number, since it is smaller than the sum of its proper divisors (300119431434).

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

213203302230 is a wasteful number, since it uses less digits than its factorization.

213203302230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22705680.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 213203302230 its reverse (32203302312), we get a palindrome (245406604542).

The spelling of 213203302230 in words is "two hundred thirteen billion, two hundred three million, three hundred two thousand, two hundred thirty".