234210213 has 12 divisors (see below), whose sum is σ = 341654508. Its totient is φ = 154593600.

The previous prime is 234210209. The next prime is 234210217. The reversal of 234210213 is 312012432.

It is an interprime number because it is at equal distance from previous prime (234210209) and next prime (234210217).

It can be written as a sum of positive squares in 2 ways, for example, as 105206049 + 129004164 = 10257^2 + 11358^2 .

It is not a de Polignac number, because 234210213 - 2² = 234210209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234210217) 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 in 11 ways as a sum of consecutive naturals, for example, 127920 + ... + 129737.

It is an arithmetic number, because the mean of its divisors is an integer number (28471209).

Almost surely, 2^234210213 is an apocalyptic number.

It is an amenable number.

234210213 is a deficient number, since it is larger than the sum of its proper divisors (107444295).

234210213 is a wasteful number, since it uses less digits than its factorization.

234210213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257764 (or 257761 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 234210213 is about 15303.9280251836. The cubic root of 234210213 is about 616.4084870371.

Adding to 234210213 its reverse (312012432), we get a palindrome (546222645).

The spelling of 234210213 in words is "two hundred thirty-four million, two hundred ten thousand, two hundred thirteen".