213343334 has 4 divisors (see below), whose sum is σ = 320015004. Its totient is φ = 106671666.

The previous prime is 213343327. The next prime is 213343337. The reversal of 213343334 is 433343312.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213343337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53335832 + ... + 53335835.

It is an arithmetic number, because the mean of its divisors is an integer number (80003751).

Almost surely, 2^213343334 is an apocalyptic number.

213343334 is a deficient number, since it is larger than the sum of its proper divisors (106671670).

213343334 is a wasteful number, since it uses less digits than its factorization.

213343334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106671669.

The product of its digits is 7776, while the sum is 26.

The square root of 213343334 is about 14606.2772122126. The cubic root of 213343334 is about 597.5299696107.

Adding to 213343334 its reverse (433343312), we get a palindrome (646686646).

The spelling of 213343334 in words is "two hundred thirteen million, three hundred forty-three thousand, three hundred thirty-four".