213020321311333 has 4 divisors (see below), whose sum is σ = 213052749438060. Its totient is φ = 212987893184608.

The previous prime is 213020321311327. The next prime is 213020321311373. The reversal of 213020321311333 is 333113123020312.

It is a happy number.

213020321311333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76195318794049 + 136825002517284 = 8728993^2 + 11697222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213020321311333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213020321311313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16214053510 + ... + 16214066647.

It is an arithmetic number, because the mean of its divisors is an integer number (53263187359515).

Almost surely, 2^{213020321311333} is an apocalyptic number.

It is an amenable number.

213020321311333 is a deficient number, since it is larger than the sum of its proper divisors (32428126727).

213020321311333 is an equidigital number, since it uses as much as digits as its factorization.

213020321311333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32428126726.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 213020321311333 its reverse (333113123020312), we get a palindrome (546133444331645).

The spelling of 213020321311333 in words is "two hundred thirteen trillion, twenty billion, three hundred twenty-one million, three hundred eleven thousand, three hundred thirty-three".