331222332231 has 12 divisors (see below), whose sum is σ = 546779723152. Its totient is φ = 189269904096.

The previous prime is 331222332179. The next prime is 331222332313. The reversal of 331222332231 is 132233222133.

331222332231 is a `hidden beast` number, since 3 + 312 + 2 + 23 + 322 + 3 + 1 = 666.

It is not a de Polignac number, because 331222332231 - 2⁶ = 331222332167 is a prime.

It is a super-2 number, since 2×331222332231² (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 = 331222332195 and 331222332204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331222332031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2628748606 + ... + 2628748731.

Almost surely, 2^331222332231 is an apocalyptic number.

331222332231 is a deficient number, since it is larger than the sum of its proper divisors (215557390921).

331222332231 is a wasteful number, since it uses less digits than its factorization.

331222332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257497350 (or 5257497347 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 331222332231 its reverse (132233222133), we get a palindrome (463455554364).

The spelling of 331222332231 in words is "three hundred thirty-one billion, two hundred twenty-two million, three hundred thirty-two thousand, two hundred thirty-one".