213431304210213 has 16 divisors (see below), whose sum is σ = 286475126761856. Its totient is φ = 141337610553600.

The previous prime is 213431304210167. The next prime is 213431304210329. The reversal of 213431304210213 is 312012403134312.

It is not a de Polignac number, because 213431304210213 - 2⁹ = 213431304209701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213431304214213) 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, 4292920 + ... + 21101937.

It is an arithmetic number, because the mean of its divisors is an integer number (17904695422616).

Almost surely, 2^{213431304210213} is an apocalyptic number.

It is an amenable number.

213431304210213 is a deficient number, since it is larger than the sum of its proper divisors (73043822551643).

213431304210213 is a wasteful number, since it uses less digits than its factorization.

213431304210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25413564.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 213431304210213 its reverse (312012403134312), we get a palindrome (525443707344525).

The spelling of 213431304210213 in words is "two hundred thirteen trillion, four hundred thirty-one billion, three hundred four million, two hundred ten thousand, two hundred thirteen".