213230235 has 32 divisors (see below), whose sum is σ = 362050560. Its totient is φ = 106792448.

The previous prime is 213230219. The next prime is 213230261. The reversal of 213230235 is 532032312.

It is a cyclic number.

It is not a de Polignac number, because 213230235 - 2⁴ = 213230219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182764 + ... + 183926.

It is an arithmetic number, because the mean of its divisors is an integer number (11314080).

Almost surely, 2^213230235 is an apocalyptic number.

213230235 is a deficient number, since it is larger than the sum of its proper divisors (148820325).

213230235 is a wasteful number, since it uses less digits than its factorization.

213230235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 213230235 is about 14602.4051101180. The cubic root of 213230235 is about 597.4243620808.

Adding to 213230235 its reverse (532032312), we get a palindrome (745262547).

The spelling of 213230235 in words is "two hundred thirteen million, two hundred thirty thousand, two hundred thirty-five".