213012301 has 2 divisors, whose sum is σ = 213012302. Its totient is φ = 213012300.

The previous prime is 213012299. The next prime is 213012311. The reversal of 213012301 is 103210312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209496676 + 3515625 = 14474^2 + 1875^2 .

It is a cyclic number.

It is not a de Polignac number, because 213012301 - 2¹ = 213012299 is a prime.

Together with 213012299, 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 (213012311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106506150 + 106506151.

It is an arithmetic number, because the mean of its divisors is an integer number (106506151).

Almost surely, 2^213012301 is an apocalyptic number.

It is an amenable number.

213012301 is a deficient number, since it is larger than the sum of its proper divisors (1).

213012301 is an equidigital number, since it uses as much as digits as its factorization.

213012301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 213012301 is about 14594.9409385581. The cubic root of 213012301 is about 597.2207582733.

Adding to 213012301 its reverse (103210312), we get a palindrome (316222613).

The spelling of 213012301 in words is "two hundred thirteen million, twelve thousand, three hundred one".