213211321232203 has 4 divisors (see below), whose sum is σ = 243670081408240. Its totient is φ = 182752561056168.

The previous prime is 213211321232197. The next prime is 213211321232257. The reversal of 213211321232203 is 302232123112312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213211321232203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213211321238203) 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, 15229380088008 + ... + 15229380088021.

It is an arithmetic number, because the mean of its divisors is an integer number (60917520352060).

Almost surely, 2^{213211321232203} is an apocalyptic number.

213211321232203 is a deficient number, since it is larger than the sum of its proper divisors (30458760176037).

213211321232203 is an equidigital number, since it uses as much as digits as its factorization.

213211321232203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30458760176036.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 213211321232203 its reverse (302232123112312), we get a palindrome (515443444344515).

The spelling of 213211321232203 in words is "two hundred thirteen trillion, two hundred eleven billion, three hundred twenty-one million, two hundred thirty-two thousand, two hundred three".