32311223321 has 8 divisors (see below), whose sum is σ = 34997841480. Its totient is φ = 29653339392.

The previous prime is 32311223303. The next prime is 32311223353. The reversal of 32311223321 is 12332211323.

It can be written as a sum of positive squares in 4 ways, for example, as 11435308096 + 20875915225 = 106936^2 + 144485^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32311223321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32311223381) 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, 7181216 + ... + 7185713.

It is an arithmetic number, because the mean of its divisors is an integer number (4374730185).

Almost surely, 2^32311223321 is an apocalyptic number.

It is an amenable number.

32311223321 is a deficient number, since it is larger than the sum of its proper divisors (2686618159).

32311223321 is a wasteful number, since it uses less digits than its factorization.

32311223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14367115.

The product of its digits is 1296, while the sum is 23.

Adding to 32311223321 its reverse (12332211323), we get a palindrome (44643434644).

The spelling of 32311223321 in words is "thirty-two billion, three hundred eleven million, two hundred twenty-three thousand, three hundred twenty-one".