32111331321 has 16 divisors (see below), whose sum is σ = 43860918464. Its totient is φ = 20885788224.

The previous prime is 32111331281. The next prime is 32111331337. The reversal of 32111331321 is 12313311123.

It is a happy number.

It is not a de Polignac number, because 32111331321 - 2⁶ = 32111331257 is a prime.

It is a super-3 number, since 3×32111331321³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32111331391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28786 + ... + 255051.

It is an arithmetic number, because the mean of its divisors is an integer number (2741307404).

Almost surely, 2^32111331321 is an apocalyptic number.

It is an amenable number.

32111331321 is a deficient number, since it is larger than the sum of its proper divisors (11749587143).

32111331321 is a wasteful number, since it uses less digits than its factorization.

32111331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284760.

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

Adding to 32111331321 its reverse (12313311123), we get a palindrome (44424642444).

The spelling of 32111331321 in words is "thirty-two billion, one hundred eleven million, three hundred thirty-one thousand, three hundred twenty-one".