213322330633 has 2 divisors, whose sum is σ = 213322330634. Its totient is φ = 213322330632.

The previous prime is 213322330601. The next prime is 213322330649. The reversal of 213322330633 is 336033223312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171949550224 + 41372780409 = 414668^2 + 203403^2 .

It is a cyclic number.

It is not a de Polignac number, because 213322330633 - 2⁵ = 213322330601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213322330595 and 213322330604.

It is not a weakly prime, because it can be changed into another prime (213322330733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106661165316 + 106661165317.

It is an arithmetic number, because the mean of its divisors is an integer number (106661165317).

Almost surely, 2^213322330633 is an apocalyptic number.

It is an amenable number.

213322330633 is a deficient number, since it is larger than the sum of its proper divisors (1).

213322330633 is an equidigital number, since it uses as much as digits as its factorization.

213322330633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 213322330633 its reverse (336033223312), we get a palindrome (549355553945).

The spelling of 213322330633 in words is "two hundred thirteen billion, three hundred twenty-two million, three hundred thirty thousand, six hundred thirty-three".