214312133 has 6 divisors (see below), whose sum is σ = 249301926. Its totient is φ = 183696072.

The previous prime is 214312127. The next prime is 214312181. The reversal of 214312133 is 331213412.

It can be written as a sum of positive squares in only one way, i.e., 119093569 + 95218564 = 10913^2 + 9758^2 .

It is not a de Polignac number, because 214312133 - 2¹⁰ = 214311109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214312193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2186810 + ... + 2186907.

It is an arithmetic number, because the mean of its divisors is an integer number (41550321).

Almost surely, 2^214312133 is an apocalyptic number.

It is an amenable number.

214312133 is a deficient number, since it is larger than the sum of its proper divisors (34989793).

214312133 is an equidigital number, since it uses as much as digits as its factorization.

214312133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373731 (or 4373724 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 214312133 is about 14639.4034372989. The cubic root of 214312133 is about 598.4330716400.

Adding to 214312133 its reverse (331213412), we get a palindrome (545525545).

The spelling of 214312133 in words is "two hundred fourteen million, three hundred twelve thousand, one hundred thirty-three".