213321214 has 8 divisors (see below), whose sum is σ = 322129800. Its totient is φ = 105944616.

The previous prime is 213321181. The next prime is 213321223. The reversal of 213321214 is 412123312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 213321191 and 213321200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357624 + ... + 358219.

It is an arithmetic number, because the mean of its divisors is an integer number (40266225).

Almost surely, 2^213321214 is an apocalyptic number.

213321214 is a deficient number, since it is larger than the sum of its proper divisors (108808586).

213321214 is a wasteful number, since it uses less digits than its factorization.

213321214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715994.

The product of its digits is 288, while the sum is 19.

The square root of 213321214 is about 14605.5199838965. The cubic root of 213321214 is about 597.5093177354.

Adding to 213321214 its reverse (412123312), we get a palindrome (625444526).

The spelling of 213321214 in words is "two hundred thirteen million, three hundred twenty-one thousand, two hundred fourteen".