213041203342321 has 16 divisors (see below), whose sum is σ = 213437144704000. Its totient is φ = 212645653176528.

The previous prime is 213041203342283. The next prime is 213041203342333. The reversal of 213041203342321 is 123243302140312.

It is a cyclic number.

It is not a de Polignac number, because 213041203342321 - 2³³ = 213032613407729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213041203342361) 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, 11091842500 + ... + 11091861706.

It is an arithmetic number, because the mean of its divisors is an integer number (13339821544000).

Almost surely, 2^{213041203342321} is an apocalyptic number.

It is an amenable number.

213041203342321 is a deficient number, since it is larger than the sum of its proper divisors (395941361679).

213041203342321 is a wasteful number, since it uses less digits than its factorization.

213041203342321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28348.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 213041203342321 its reverse (123243302140312), we get a palindrome (336284505482633).

The spelling of 213041203342321 in words is "two hundred thirteen trillion, forty-one billion, two hundred three million, three hundred forty-two thousand, three hundred twenty-one".