201333213 has 6 divisors (see below), whose sum is σ = 290814654. Its totient is φ = 134222136.

The previous prime is 201333157. The next prime is 201333221. The reversal of 201333213 is 312333102.

It can be written as a sum of positive squares in only one way, i.e., 161112249 + 40220964 = 12693^2 + 6342^2 .

It is not a de Polignac number, because 201333213 - 2⁶ = 201333149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201373213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11185170 + ... + 11185187.

It is an arithmetic number, because the mean of its divisors is an integer number (48469109).

Almost surely, 2^201333213 is an apocalyptic number.

It is an amenable number.

201333213 is a deficient number, since it is larger than the sum of its proper divisors (89481441).

201333213 is a wasteful number, since it uses less digits than its factorization.

201333213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22370363 (or 22370360 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 201333213 is about 14189.1935288796. The cubic root of 201333213 is about 586.1001170445.

Adding to 201333213 its reverse (312333102), we get a palindrome (513666315).

The spelling of 201333213 in words is "two hundred one million, three hundred thirty-three thousand, two hundred thirteen".