201013213 has 2 divisors, whose sum is σ = 201013214. Its totient is φ = 201013212.

The previous prime is 201013171. The next prime is 201013229. The reversal of 201013213 is 312310102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187197124 + 13816089 = 13682^2 + 3717^2 .

It is a cyclic number.

It is not a de Polignac number, because 201013213 - 2⁹ = 201012701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201013193 and 201013202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201013273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506606 + 100506607.

It is an arithmetic number, because the mean of its divisors is an integer number (100506607).

Almost surely, 2^201013213 is an apocalyptic number.

It is an amenable number.

201013213 is a deficient number, since it is larger than the sum of its proper divisors (1).

201013213 is an equidigital number, since it uses as much as digits as its factorization.

201013213 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 201013213 is about 14177.9128576811. The cubic root of 201013213 is about 585.7894355829.

Adding to 201013213 its reverse (312310102), we get a palindrome (513323315).

The spelling of 201013213 in words is "two hundred one million, thirteen thousand, two hundred thirteen".