213223020133213 has 2 divisors, whose sum is σ = 213223020133214. Its totient is φ = 213223020133212.

The previous prime is 213223020133199. The next prime is 213223020133229. The reversal of 213223020133213 is 312331020322312.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177632465261689 + 35590554871524 = 13327883^2 + 5965782^2 .

It is a cyclic number.

It is not a de Polignac number, because 213223020133213 - 2²⁹ = 213222483262301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213223020133913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106611510066606 + 106611510066607.

It is an arithmetic number, because the mean of its divisors is an integer number (106611510066607).

Almost surely, 2^{213223020133213} is an apocalyptic number.

It is an amenable number.

213223020133213 is a deficient number, since it is larger than the sum of its proper divisors (1).

213223020133213 is an equidigital number, since it uses as much as digits as its factorization.

213223020133213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 213223020133213 its reverse (312331020322312), we get a palindrome (525554040455525).

The spelling of 213223020133213 in words is "two hundred thirteen trillion, two hundred twenty-three billion, twenty million, one hundred thirty-three thousand, two hundred thirteen".