213230313321133 has 2 divisors, whose sum is σ = 213230313321134. Its totient is φ = 213230313321132.

The previous prime is 213230313321131. The next prime is 213230313321161. The reversal of 213230313321133 is 331123313032312.

It is a happy number.

213230313321133 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., 200920334081769 + 12309979239364 = 14174637^2 + 3508558^2 .

It is a cyclic number.

It is not a de Polignac number, because 213230313321133 - 2¹ = 213230313321131 is a prime.

Together with 213230313321131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 213230313321095 and 213230313321104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213230313321131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106615156660566 + 106615156660567.

It is an arithmetic number, because the mean of its divisors is an integer number (106615156660567).

Almost surely, 2^{213230313321133} is an apocalyptic number.

It is an amenable number.

213230313321133 is a deficient number, since it is larger than the sum of its proper divisors (1).

213230313321133 is an equidigital number, since it uses as much as digits as its factorization.

213230313321133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 213230313321133 its reverse (331123313032312), we get a palindrome (544353626353445).

The spelling of 213230313321133 in words is "two hundred thirteen trillion, two hundred thirty billion, three hundred thirteen million, three hundred twenty-one thousand, one hundred thirty-three".