320013021213 has 8 divisors (see below), whose sum is σ = 474093364800. Its totient is φ = 213342014124.

The previous prime is 320013021197. The next prime is 320013021233. The reversal of 320013021213 is 312120310023.

320013021213 is a `hidden beast` number, since 320 + 0 + 130 + 2 + 1 + 213 = 666.

It is not a de Polignac number, because 320013021213 - 2⁴ = 320013021197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320013021233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5926167033 + ... + 5926167086.

It is an arithmetic number, because the mean of its divisors is an integer number (59261670600).

Almost surely, 2^320013021213 is an apocalyptic number.

It is an amenable number.

320013021213 is a deficient number, since it is larger than the sum of its proper divisors (154080343587).

320013021213 is a wasteful number, since it uses less digits than its factorization.

320013021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11852334128 (or 11852334122 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 320013021213 its reverse (312120310023), we get a palindrome (632133331236).

The spelling of 320013021213 in words is "three hundred twenty billion, thirteen million, twenty-one thousand, two hundred thirteen".