213243014 has 4 divisors (see below), whose sum is σ = 319864524. Its totient is φ = 106621506.

The previous prime is 213242999. The next prime is 213243049. The reversal of 213243014 is 410342312.

213243014 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 is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53310752 + ... + 53310755.

It is an arithmetic number, because the mean of its divisors is an integer number (79966131).

Almost surely, 2^213243014 is an apocalyptic number.

213243014 is a deficient number, since it is larger than the sum of its proper divisors (106621510).

213243014 is a wasteful number, since it uses less digits than its factorization.

213243014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106621509.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 213243014 is about 14602.8426684670. The cubic root of 213243014 is about 597.4362964944.

Adding to 213243014 its reverse (410342312), we get a palindrome (623585326).

The spelling of 213243014 in words is "two hundred thirteen million, two hundred forty-three thousand, fourteen".