331122222331231 has 8 divisors (see below), whose sum is σ = 336605510739024. Its totient is φ = 325640709899520.

The previous prime is 331122222331211. The next prime is 331122222331249. The reversal of 331122222331231 is 132133222221133.

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 331122222331231 - 2¹¹ = 331122222329183 is a prime.

It is a super-2 number, since 2×331122222331231² (a number of 30 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 = 331122222331193 and 331122222331202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331122222331211) 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, 443618041 + ... + 444363826.

It is an arithmetic number, because the mean of its divisors is an integer number (42075688842378).

Almost surely, 2^{331122222331231} is an apocalyptic number.

331122222331231 is a deficient number, since it is larger than the sum of its proper divisors (5483288407793).

331122222331231 is an equidigital number, since it uses as much as digits as its factorization.

331122222331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887988041.

The product of its digits is 15552, while the sum is 31.

Adding to 331122222331231 its reverse (132133222221133), we get a palindrome (463255444552364).

The spelling of 331122222331231 in words is "three hundred thirty-one trillion, one hundred twenty-two billion, two hundred twenty-two million, three hundred thirty-one thousand, two hundred thirty-one".