213818327 has 8 divisors (see below), whose sum is σ = 224177280. Its totient is φ = 203547960.

The previous prime is 213818323. The next prime is 213818329. The reversal of 213818327 is 723818312.

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

It is a cyclic number.

It is not a de Polignac number, because 213818327 - 2² = 213818323 is a prime.

It is a super-2 number, since 2×213818327² = 91436553922157858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213818323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17177 + ... + 26882.

It is an arithmetic number, because the mean of its divisors is an integer number (28022160).

Almost surely, 2^213818327 is an apocalyptic number.

213818327 is a deficient number, since it is larger than the sum of its proper divisors (10358953).

213818327 is a wasteful number, since it uses less digits than its factorization.

213818327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44293.

The product of its digits is 16128, while the sum is 35.

The square root of 213818327 is about 14622.5280645995. The cubic root of 213818327 is about 597.9730928636.

The spelling of 213818327 in words is "two hundred thirteen million, eight hundred eighteen thousand, three hundred twenty-seven".