230206013 has 2 divisors, whose sum is σ = 230206014. Its totient is φ = 230206012.

The previous prime is 230206001. The next prime is 230206049. The reversal of 230206013 is 310602032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229916569 + 289444 = 15163^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 230206013 - 2⁶ = 230205949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230205982 and 230206000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230206213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115103006 + 115103007.

It is an arithmetic number, because the mean of its divisors is an integer number (115103007).

Almost surely, 2^230206013 is an apocalyptic number.

It is an amenable number.

230206013 is a deficient number, since it is larger than the sum of its proper divisors (1).

230206013 is an equidigital number, since it uses as much as digits as its factorization.

230206013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 230206013 is about 15172.5414153332. The cubic root of 230206013 is about 612.8754442858.

Adding to 230206013 its reverse (310602032), we get a palindrome (540808045).

The spelling of 230206013 in words is "two hundred thirty million, two hundred six thousand, thirteen".