213203233231201 has 4 divisors (see below), whose sum is σ = 218161447957552. Its totient is φ = 208245018504852.

The previous prime is 213203233231123. The next prime is 213203233231223. The reversal of 213203233231201 is 102132332302312.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213203233231201 - 2¹⁹ = 213203232706913 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 213203233231201.

It is not an unprimeable number, because it can be changed into a prime (213203233331201) 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, 2479107363111 + ... + 2479107363196.

It is an arithmetic number, because the mean of its divisors is an integer number (54540361989388).

Almost surely, 2^{213203233231201} is an apocalyptic number.

It is an amenable number.

213203233231201 is a deficient number, since it is larger than the sum of its proper divisors (4958214726351).

213203233231201 is an equidigital number, since it uses as much as digits as its factorization.

213203233231201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4958214726350.

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

Adding to 213203233231201 its reverse (102132332302312), we get a palindrome (315335565533513).

The spelling of 213203233231201 in words is "two hundred thirteen trillion, two hundred three billion, two hundred thirty-three million, two hundred thirty-one thousand, two hundred one".