213405230 has 8 divisors (see below), whose sum is σ = 384129432. Its totient is φ = 85362088.

The previous prime is 213405211. The next prime is 213405253. The reversal of 213405230 is 32504312.

It is a happy number.

213405230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10670252 + ... + 10670271.

It is an arithmetic number, because the mean of its divisors is an integer number (48016179).

Almost surely, 2^213405230 is an apocalyptic number.

213405230 is a deficient number, since it is larger than the sum of its proper divisors (170724202).

213405230 is a wasteful number, since it uses less digits than its factorization.

213405230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21340530.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 213405230 is about 14608.3958736064. The cubic root of 213405230 is about 597.5877499315.

Adding to 213405230 its reverse (32504312), we get a palindrome (245909542).

The spelling of 213405230 in words is "two hundred thirteen million, four hundred five thousand, two hundred thirty".