213233303 has 2 divisors, whose sum is σ = 213233304. Its totient is φ = 213233302.

The previous prime is 213233281. The next prime is 213233323. The reversal of 213233303 is 303332312.

It is an a-pointer prime, because the next prime (213233323) can be obtained adding 213233303 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213233303 - 2⁸ = 213233047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213233323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106616651 + 106616652.

It is an arithmetic number, because the mean of its divisors is an integer number (106616652).

Almost surely, 2^213233303 is an apocalyptic number.

213233303 is a deficient number, since it is larger than the sum of its proper divisors (1).

213233303 is an equidigital number, since it uses as much as digits as its factorization.

213233303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 213233303 is about 14602.5101609278. The cubic root of 213233303 is about 597.4272273549.

Adding to 213233303 its reverse (303332312), we get a palindrome (516565615).

Subtracting 213233303 from its reverse (303332312), we obtain a palindrome (90099009).

The spelling of 213233303 in words is "two hundred thirteen million, two hundred thirty-three thousand, three hundred three".