234001213 has 2 divisors, whose sum is σ = 234001214. Its totient is φ = 234001212.

The previous prime is 234001211. The next prime is 234001219. The reversal of 234001213 is 312100432.

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., 232806564 + 1194649 = 15258^2 + 1093^2 .

It is a cyclic number.

It is not a de Polignac number, because 234001213 - 2¹ = 234001211 is a prime.

Together with 234001211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234001211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117000606 + 117000607.

It is an arithmetic number, because the mean of its divisors is an integer number (117000607).

Almost surely, 2^234001213 is an apocalyptic number.

It is an amenable number.

234001213 is a deficient number, since it is larger than the sum of its proper divisors (1).

234001213 is an equidigital number, since it uses as much as digits as its factorization.

234001213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 234001213 is about 15297.0981888723. The cubic root of 234001213 is about 616.2250795590.

Adding to 234001213 its reverse (312100432), we get a palindrome (546101645).

The spelling of 234001213 in words is "two hundred thirty-four million, one thousand, two hundred thirteen".