32231221331 has 8 divisors (see below), whose sum is σ = 32417326080. Its totient is φ = 32045184072.

The previous prime is 32231221301. The next prime is 32231221339. The reversal of 32231221331 is 13312213223.

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 32231221331 - 2¹⁴ = 32231204947 is a prime.

It is a super-2 number, since 2×32231221331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32231221297 and 32231221306.

It is not an unprimeable number, because it can be changed into a prime (32231221339) 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, 1186406 + ... + 1213268.

It is an arithmetic number, because the mean of its divisors is an integer number (4052165760).

Almost surely, 2^32231221331 is an apocalyptic number.

32231221331 is a deficient number, since it is larger than the sum of its proper divisors (186104749).

32231221331 is a wasteful number, since it uses less digits than its factorization.

32231221331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33745.

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

Adding to 32231221331 its reverse (13312213223), we get a palindrome (45543434554).

The spelling of 32231221331 in words is "thirty-two billion, two hundred thirty-one million, two hundred twenty-one thousand, three hundred thirty-one".