213230935 has 4 divisors (see below), whose sum is σ = 255877128. Its totient is φ = 170584744.

The previous prime is 213230921. The next prime is 213230951. The reversal of 213230935 is 539032312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213230935 is a prime.

It is a Duffinian number.

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, 21323089 + ... + 21323098.

It is an arithmetic number, because the mean of its divisors is an integer number (63969282).

Almost surely, 2^213230935 is an apocalyptic number.

213230935 is a deficient number, since it is larger than the sum of its proper divisors (42646193).

213230935 is an equidigital number, since it uses as much as digits as its factorization.

213230935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42646192.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 213230935 is about 14602.4290787526. The cubic root of 213230935 is about 597.4250158290.

The spelling of 213230935 in words is "two hundred thirteen million, two hundred thirty thousand, nine hundred thirty-five".