232221321031 has 8 divisors (see below), whose sum is σ = 265441734144. Its totient is φ = 199012392600.

The previous prime is 232221320999. The next prime is 232221321049. The reversal of 232221321031 is 130123122232.

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

It is not a de Polignac number, because 232221321031 - 2⁵ = 232221320999 is a prime.

It is a super-2 number, since 2×232221321031² (a number of 24 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 = 232221320993 and 232221321011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232221321061) 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, 2827795 + ... + 2908756.

It is an arithmetic number, because the mean of its divisors is an integer number (33180216768).

Almost surely, 2^232221321031 is an apocalyptic number.

232221321031 is a deficient number, since it is larger than the sum of its proper divisors (33220413113).

232221321031 is an equidigital number, since it uses as much as digits as its factorization.

232221321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5742341.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 232221321031 its reverse (130123122232), we get a palindrome (362344443263).

The spelling of 232221321031 in words is "two hundred thirty-two billion, two hundred twenty-one million, three hundred twenty-one thousand, thirty-one".