331221030323229 has 12 divisors (see below), whose sum is σ = 496150020731456. Its totient is φ = 220814020215324.

The previous prime is 331221030323219. The next prime is 331221030323243. The reversal of 331221030323229 is 922323030122133.

331221030323229 is a `hidden beast` number, since 3 + 3 + 1 + 2 + 2 + 103 + 0 + 323 + 229 = 666.

It is not a de Polignac number, because 331221030323229 - 2⁹ = 331221030322717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331221030323193 and 331221030323202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331221030323219) 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, 681524753509 + ... + 681524753994.

Almost surely, 2^{331221030323229} is an apocalyptic number.

It is an amenable number.

331221030323229 is a deficient number, since it is larger than the sum of its proper divisors (164928990408227).

331221030323229 is an equidigital number, since it uses as much as digits as its factorization.

331221030323229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363049507518 (or 1363049507506 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The spelling of 331221030323229 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, thirty million, three hundred twenty-three thousand, two hundred twenty-nine".