213323333101 has 4 divisors (see below), whose sum is σ = 213566576092. Its totient is φ = 213080090112.

The previous prime is 213323333099. The next prime is 213323333107. The reversal of 213323333101 is 101333323312.

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 167096183076 + 46227150025 = 408774^2 + 215005^2 .

It is a cyclic number.

It is not a de Polignac number, because 213323333101 - 2¹ = 213323333099 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 (213323333107) 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, 121620180 + ... + 121621933.

It is an arithmetic number, because the mean of its divisors is an integer number (53391644023).

Almost surely, 2^213323333101 is an apocalyptic number.

It is an amenable number.

213323333101 is a deficient number, since it is larger than the sum of its proper divisors (243242991).

213323333101 is an equidigital number, since it uses as much as digits as its factorization.

213323333101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243242990.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 213323333101 its reverse (101333323312), we get a palindrome (314656656413).

The spelling of 213323333101 in words is "two hundred thirteen billion, three hundred twenty-three million, three hundred thirty-three thousand, one hundred one".