213230331223201 has 4 divisors (see below), whose sum is σ = 213230931786004. Its totient is φ = 213229730660400.

The previous prime is 213230331223141. The next prime is 213230331223207. The reversal of 213230331223201 is 102322133032312.

It is a happy number.

213230331223201 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 42500959564176 + 170729371659025 = 6519276^2 + 13066345^2 .

It is a cyclic number.

It is not a de Polignac number, because 213230331223201 - 2¹⁵ = 213230331190433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213230331223201.

It is not an unprimeable number, because it can be changed into a prime (213230331223207) 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, 299748510 + ... + 300459031.

It is an arithmetic number, because the mean of its divisors is an integer number (53307732946501).

Almost surely, 2^{213230331223201} is an apocalyptic number.

It is an amenable number.

213230331223201 is a deficient number, since it is larger than the sum of its proper divisors (600562803).

213230331223201 is an equidigital number, since it uses as much as digits as its factorization.

213230331223201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600562802.

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

Adding to 213230331223201 its reverse (102322133032312), we get a palindrome (315552464255513).

The spelling of 213230331223201 in words is "two hundred thirteen trillion, two hundred thirty billion, three hundred thirty-one million, two hundred twenty-three thousand, two hundred one".