331221022322133 has 16 divisors (see below), whose sum is σ = 457337037949056. Its totient is φ = 213096110859840.

The previous prime is 331221022322111. The next prime is 331221022322167. The reversal of 331221022322133 is 331223220122133.

It is not a de Polignac number, because 331221022322133 - 2⁹ = 331221022321621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331221022322133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331221022392133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17074999185 + ... + 17075018582.

It is an arithmetic number, because the mean of its divisors is an integer number (28583564871816).

Almost surely, 2^{331221022322133} is an apocalyptic number.

It is an amenable number.

331221022322133 is a deficient number, since it is larger than the sum of its proper divisors (126116015626923).

331221022322133 is a wasteful number, since it uses less digits than its factorization.

331221022322133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34150017884.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 331221022322133 its reverse (331223220122133), we get a palindrome (662444242444266).

The spelling of 331221022322133 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, twenty-two million, three hundred twenty-two thousand, one hundred thirty-three".