203414213 has 2 divisors, whose sum is σ = 203414214. Its totient is φ = 203414212.

The previous prime is 203414203. The next prime is 203414221. The reversal of 203414213 is 312414302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110523169 + 92891044 = 10513^2 + 9638^2 .

It is a cyclic number.

It is not a de Polignac number, because 203414213 - 2¹⁸ = 203152069 is a prime.

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 (203414203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101707106 + 101707107.

It is an arithmetic number, because the mean of its divisors is an integer number (101707107).

Almost surely, 2^203414213 is an apocalyptic number.

It is an amenable number.

203414213 is a deficient number, since it is larger than the sum of its proper divisors (1).

203414213 is an equidigital number, since it uses as much as digits as its factorization.

203414213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 203414213 is about 14262.3354679379. The cubic root of 203414213 is about 588.1125289824.

Adding to 203414213 its reverse (312414302), we get a palindrome (515828515).

The spelling of 203414213 in words is "two hundred three million, four hundred fourteen thousand, two hundred thirteen".