213214332 has 12 divisors (see below), whose sum is σ = 497500136. Its totient is φ = 71071440.

The previous prime is 213214303. The next prime is 213214367. The reversal of 213214332 is 233412312.

213214332 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

213214332 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 213214299 and 213214308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8883919 + ... + 8883942.

Almost surely, 2^213214332 is an apocalyptic number.

It is an amenable number.

213214332 is an abundant number, since it is smaller than the sum of its proper divisors (284285804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213214332 is a wasteful number, since it uses less digits than its factorization.

213214332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17767868 (or 17767866 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 213214332 is about 14601.8605663799. The cubic root of 213214332 is about 597.4095094720.

Adding to 213214332 its reverse (233412312), we get a palindrome (446626644).

The spelling of 213214332 in words is "two hundred thirteen million, two hundred fourteen thousand, three hundred thirty-two".