331221202321133 has 8 divisors (see below), whose sum is σ = 356762127348000. Its totient is φ = 306491100311088.

The previous prime is 331221202321123. The next prime is 331221202321181. The reversal of 331221202321133 is 331123202122133.

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 331221202321133 - 2²² = 331221198126829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331221202321096 and 331221202321105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331221202321103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202705753358 + ... + 202705754991.

It is an arithmetic number, because the mean of its divisors is an integer number (44595265918500).

Almost surely, 2^{331221202321133} is an apocalyptic number.

It is an amenable number.

331221202321133 is a deficient number, since it is larger than the sum of its proper divisors (25540925026867).

331221202321133 is a wasteful number, since it uses less digits than its factorization.

331221202321133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405411508411.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 331221202321133 its reverse (331123202122133), we get a palindrome (662344404443266).

The spelling of 331221202321133 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, two hundred two million, three hundred twenty-one thousand, one hundred thirty-three".