321013330123213 has 32 divisors (see below), whose sum is σ = 397320456565760. Its totient is φ = 252557157185280.

The previous prime is 321013330123193. The next prime is 321013330123217. The reversal of 321013330123213 is 312321033310123.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 321013330123213 - 2³³ = 321004740188621 is a prime.

It is a super-2 number, since 2×321013330123213² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321013330123217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147272383 + ... + 149436211.

It is an arithmetic number, because the mean of its divisors is an integer number (12416264267680).

Almost surely, 2^{321013330123213} is an apocalyptic number.

It is an amenable number.

321013330123213 is a deficient number, since it is larger than the sum of its proper divisors (76307126442547).

321013330123213 is a wasteful number, since it uses less digits than its factorization.

321013330123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173037.

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

Adding to 321013330123213 its reverse (312321033310123), we get a palindrome (633334363433336).

The spelling of 321013330123213 in words is "three hundred twenty-one trillion, thirteen billion, three hundred thirty million, one hundred twenty-three thousand, two hundred thirteen".