213313122233 has 2 divisors, whose sum is σ = 213313122234. Its totient is φ = 213313122232.

The previous prime is 213313122221. The next prime is 213313122263. The reversal of 213313122233 is 332221313312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161735078569 + 51578043664 = 402163^2 + 227108^2 .

It is a cyclic number.

It is not a de Polignac number, because 213313122233 - 2⁸ = 213313121977 is a prime.

It is not a weakly prime, because it can be changed into another prime (213313122263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106656561116 + 106656561117.

It is an arithmetic number, because the mean of its divisors is an integer number (106656561117).

Almost surely, 2^213313122233 is an apocalyptic number.

It is an amenable number.

213313122233 is a deficient number, since it is larger than the sum of its proper divisors (1).

213313122233 is an equidigital number, since it uses as much as digits as its factorization.

213313122233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 26.

Adding to 213313122233 its reverse (332221313312), we get a palindrome (545534435545).

The spelling of 213313122233 in words is "two hundred thirteen billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred thirty-three".