213413234 has 4 divisors (see below), whose sum is σ = 320119854. Its totient is φ = 106706616.

The previous prime is 213413227. The next prime is 213413261. The reversal of 213413234 is 432314312.

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., 183196225 + 30217009 = 13535^2 + 5497^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53353307 + ... + 53353310.

Almost surely, 2^213413234 is an apocalyptic number.

213413234 is a deficient number, since it is larger than the sum of its proper divisors (106706620).

213413234 is a wasteful number, since it uses less digits than its factorization.

213413234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106706619.

The product of its digits is 1728, while the sum is 23.

The square root of 213413234 is about 14608.6698230879. The cubic root of 213413234 is about 597.5952209021.

Adding to 213413234 its reverse (432314312), we get a palindrome (645727546).

The spelling of 213413234 in words is "two hundred thirteen million, four hundred thirteen thousand, two hundred thirty-four".