321105505332 has 12 divisors (see below), whose sum is σ = 749246179136. Its totient is φ = 107035168440.

The previous prime is 321105505289. The next prime is 321105505333. The reversal of 321105505332 is 233505501123.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×321105505332³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321105505332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321105505333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13379396044 + ... + 13379396067.

Almost surely, 2^321105505332 is an apocalyptic number.

It is an amenable number.

321105505332 is an abundant number, since it is smaller than the sum of its proper divisors (428140673804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321105505332 is a wasteful number, since it uses less digits than its factorization.

321105505332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26758792118 (or 26758792116 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 321105505332 in words is "three hundred twenty-one billion, one hundred five million, five hundred five thousand, three hundred thirty-two".