213312211100303 has 16 divisors (see below), whose sum is σ = 245282970756096. Its totient is φ = 181715866132320.

The previous prime is 213312211100279. The next prime is 213312211100347. The reversal of 213312211100303 is 303001112213312.

It is a cyclic number.

It is not a de Polignac number, because 213312211100303 - 2¹² = 213312211096207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213312211100353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155569373 + ... + 156934553.

It is an arithmetic number, because the mean of its divisors is an integer number (15330185672256).

Almost surely, 2^{213312211100303} is an apocalyptic number.

213312211100303 is a deficient number, since it is larger than the sum of its proper divisors (31970759655793).

213312211100303 is a wasteful number, since it uses less digits than its factorization.

213312211100303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502294.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 213312211100303 its reverse (303001112213312), we get a palindrome (516313323313615).

The spelling of 213312211100303 in words is "two hundred thirteen trillion, three hundred twelve billion, two hundred eleven million, one hundred thousand, three hundred three".