213010236 has 30 divisors (see below), whose sum is σ = 556851680. Its totient is φ = 71003304.

The previous prime is 213010223. The next prime is 213010241. The reversal of 213010236 is 632010312.

213010236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 328396 + ... + 329043.

Almost surely, 2^213010236 is an apocalyptic number.

It is an amenable number.

213010236 is an abundant number, since it is smaller than the sum of its proper divisors (343841444).

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

213010236 is a wasteful number, since it uses less digits than its factorization.

213010236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657455 (or 657444 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 213010236 is about 14594.8701946951. The cubic root of 213010236 is about 597.2188283928.

Adding to 213010236 its reverse (632010312), we get a palindrome (845020548).

The spelling of 213010236 in words is "two hundred thirteen million, ten thousand, two hundred thirty-six".