213414231 has 8 divisors (see below), whose sum is σ = 284636160. Its totient is φ = 142234232.

The previous prime is 213414163. The next prime is 213414233. The reversal of 213414231 is 132414312.

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 213414231 - 2¹¹ = 213412183 is a prime.

It is a super-2 number, since 2×213414231² = 91091267986642722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213414198 and 213414207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213414233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4426 + ... + 21128.

It is an arithmetic number, because the mean of its divisors is an integer number (35579520).

Almost surely, 2^213414231 is an apocalyptic number.

213414231 is a deficient number, since it is larger than the sum of its proper divisors (71221929).

213414231 is a wasteful number, since it uses less digits than its factorization.

213414231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20965.

The product of its digits is 576, while the sum is 21.

The square root of 213414231 is about 14608.7039466203. The cubic root of 213414231 is about 597.5961514934.

Adding to 213414231 its reverse (132414312), we get a palindrome (345828543).

The spelling of 213414231 in words is "two hundred thirteen million, four hundred fourteen thousand, two hundred thirty-one".