213331031203213 has 128 divisors (see below), whose sum is σ = 274335329157120. Its totient is φ = 161109954720000.

The previous prime is 213331031203201. The next prime is 213331031203217. The reversal of 213331031203213 is 312302130133312.

It is a happy number.

It is not a de Polignac number, because 213331031203213 - 2⁹ = 213331031202701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213331031203217) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 108125204895 + ... + 108125206867.

It is an arithmetic number, because the mean of its divisors is an integer number (2143244759040).

Almost surely, 2^{213331031203213} is an apocalyptic number.

It is an amenable number.

213331031203213 is a deficient number, since it is larger than the sum of its proper divisors (61004297953907).

213331031203213 is a wasteful number, since it uses less digits than its factorization.

213331031203213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 213331031203213 its reverse (312302130133312), we get a palindrome (525633161336525).

The spelling of 213331031203213 in words is "two hundred thirteen trillion, three hundred thirty-one billion, thirty-one million, two hundred three thousand, two hundred thirteen".