321321011331 has 8 divisors (see below), whose sum is σ = 428447736144. Its totient is φ = 214204147040.

The previous prime is 321321011329. The next prime is 321321011339. The reversal of 321321011331 is 133110123123.

It is a happy number.

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 321321011331 - 2¹ = 321321011329 is a prime.

It is a super-3 number, since 3×321321011331³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 321321011298 and 321321011307.

It is not an unprimeable number, because it can be changed into a prime (321321011339) 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, 2388756 + ... + 2519681.

It is an arithmetic number, because the mean of its divisors is an integer number (53555967018).

Almost surely, 2^321321011331 is an apocalyptic number.

321321011331 is a deficient number, since it is larger than the sum of its proper divisors (107126724813).

321321011331 is a wasteful number, since it uses less digits than its factorization.

321321011331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930261.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 321321011331 its reverse (133110123123), we get a palindrome (454431134454).

The spelling of 321321011331 in words is "three hundred twenty-one billion, three hundred twenty-one million, eleven thousand, three hundred thirty-one".