232100213 has 2 divisors, whose sum is σ = 232100214. Its totient is φ = 232100212.

The previous prime is 232100203. The next prime is 232100237. The reversal of 232100213 is 312001232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190909489 + 41190724 = 13817^2 + 6418^2 .

It is a cyclic number.

It is not a de Polignac number, because 232100213 - 2⁸ = 232099957 is a prime.

It is a super-3 number, since 3×232100213³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232100203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116050106 + 116050107.

It is an arithmetic number, because the mean of its divisors is an integer number (116050107).

Almost surely, 2^232100213 is an apocalyptic number.

It is an amenable number.

232100213 is a deficient number, since it is larger than the sum of its proper divisors (1).

232100213 is an equidigital number, since it uses as much as digits as its factorization.

232100213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 232100213 is about 15234.8355094500. The cubic root of 232100213 is about 614.5518254147.

Adding to 232100213 its reverse (312001232), we get a palindrome (544101445).

The spelling of 232100213 in words is "two hundred thirty-two million, one hundred thousand, two hundred thirteen".