213011230 has 32 divisors (see below), whose sum is σ = 396764928. Its totient is φ = 82252800.

The previous prime is 213011219. The next prime is 213011233. The reversal of 213011230 is 32110312.

213011230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213011230² = 90747568212225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213011230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213011233) 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, 208120 + ... + 209140.

It is an arithmetic number, because the mean of its divisors is an integer number (12398904).

Almost surely, 2^213011230 is an apocalyptic number.

213011230 is a deficient number, since it is larger than the sum of its proper divisors (183753698).

213011230 is a wasteful number, since it uses less digits than its factorization.

213011230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 213011230 is about 14594.9042477161. The cubic root of 213011230 is about 597.2197573538.

Adding to 213011230 its reverse (32110312), we get a palindrome (245121542).

The spelling of 213011230 in words is "two hundred thirteen million, eleven thousand, two hundred thirty".