213333301 has 2 divisors, whose sum is σ = 213333302. Its totient is φ = 213333300.

The previous prime is 213333299. The next prime is 213333319. The reversal of 213333301 is 103333312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213130801 + 202500 = 14599^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 213333301 - 2¹ = 213333299 is a prime.

It is a super-2 number, since 2×213333301² = 91022194631113202, which contains 22 as substring.

Together with 213333299, 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 (213333331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106666650 + 106666651.

It is an arithmetic number, because the mean of its divisors is an integer number (106666651).

Almost surely, 2^213333301 is an apocalyptic number.

It is an amenable number.

213333301 is a deficient number, since it is larger than the sum of its proper divisors (1).

213333301 is an equidigital number, since it uses as much as digits as its factorization.

213333301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 213333301 is about 14605.9337599484. The cubic root of 213333301 is about 597.5206026870.

Adding to 213333301 its reverse (103333312), we get a palindrome (316666613).

The spelling of 213333301 in words is "two hundred thirteen million, three hundred thirty-three thousand, three hundred one".