321331030111213 has 8 divisors (see below), whose sum is σ = 325204285847616. Its totient is φ = 317457817173600.

The previous prime is 321331030111211. The next prime is 321331030111261. The reversal of 321331030111213 is 312111030133123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321331030111213 - 2¹ = 321331030111211 is a prime.

It is a super-2 number, since 2×321331030111213² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321331030111211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4536673 + ... + 25753513.

It is an arithmetic number, because the mean of its divisors is an integer number (40650535730952).

Almost surely, 2^{321331030111213} is an apocalyptic number.

It is an amenable number.

321331030111213 is a deficient number, since it is larger than the sum of its proper divisors (3873255736403).

321331030111213 is a wasteful number, since it uses less digits than its factorization.

321331030111213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21399395.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 321331030111213 its reverse (312111030133123), we get a palindrome (633442060244336).

The spelling of 321331030111213 in words is "three hundred twenty-one trillion, three hundred thirty-one billion, thirty million, one hundred eleven thousand, two hundred thirteen".