321213361361161 has 8 divisors (see below), whose sum is σ = 339662279835648. Its totient is φ = 303269892708000.

The previous prime is 321213361361159. The next prime is 321213361361339. The reversal of 321213361361161 is 161163163312123.

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 321213361361161 - 2¹ = 321213361361159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321213361361111) 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, 126362454025 + ... + 126362456566.

It is an arithmetic number, because the mean of its divisors is an integer number (42457784979456).

Almost surely, 2^{321213361361161} is an apocalyptic number.

321213361361161 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

321213361361161 is a deficient number, since it is larger than the sum of its proper divisors (18448918474487).

321213361361161 is a wasteful number, since it uses less digits than its factorization.

321213361361161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252724910663.

The product of its digits is 69984, while the sum is 40.

The spelling of 321213361361161 in words is "three hundred twenty-one trillion, two hundred thirteen billion, three hundred sixty-one million, three hundred sixty-one thousand, one hundred sixty-one".