213085234 has 4 divisors (see below), whose sum is σ = 319627854. Its totient is φ = 106542616.

The previous prime is 213085231. The next prime is 213085283. The reversal of 213085234 is 432580312.

213085234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 205779025 + 7306209 = 14345^2 + 2703^2 .

It is not an unprimeable number, because it can be changed into a prime (213085231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53271307 + ... + 53271310.

Almost surely, 2^213085234 is an apocalyptic number.

213085234 is a deficient number, since it is larger than the sum of its proper divisors (106542620).

213085234 is a wasteful number, since it uses less digits than its factorization.

213085234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106542619.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 213085234 is about 14597.4392959861. The cubic root of 213085234 is about 597.2889110375.

The spelling of 213085234 in words is "two hundred thirteen million, eighty-five thousand, two hundred thirty-four".