213220303133 has 2 divisors, whose sum is σ = 213220303134. Its totient is φ = 213220303132.

The previous prime is 213220303129. The next prime is 213220303147. The reversal of 213220303133 is 331303022312.

213220303133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200397684964 + 12822618169 = 447658^2 + 113237^2 .

It is a cyclic number.

It is not a de Polignac number, because 213220303133 - 2² = 213220303129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213220303099 and 213220303108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213220302133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106610151566 + 106610151567.

It is an arithmetic number, because the mean of its divisors is an integer number (106610151567).

Almost surely, 2^213220303133 is an apocalyptic number.

It is an amenable number.

213220303133 is a deficient number, since it is larger than the sum of its proper divisors (1).

213220303133 is an equidigital number, since it uses as much as digits as its factorization.

213220303133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 213220303133 its reverse (331303022312), we get a palindrome (544523325445).

The spelling of 213220303133 in words is "two hundred thirteen billion, two hundred twenty million, three hundred three thousand, one hundred thirty-three".