331221332102103 has 6 divisors (see below), whose sum is σ = 478430813036384. Its totient is φ = 220814221401396.

The previous prime is 331221332101987. The next prime is 331221332102113. The reversal of 331221332102103 is 301201233122133.

331221332102103 is a `hidden beast` number, since 3 + 3 + 1 + 221 + 332 + 1 + 0 + 2 + 103 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-331221332102103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331221332102113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18401185116775 + ... + 18401185116792.

Almost surely, 2^{331221332102103} is an apocalyptic number.

331221332102103 is a deficient number, since it is larger than the sum of its proper divisors (147209480934281).

331221332102103 is a wasteful number, since it uses less digits than its factorization.

331221332102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36802370233573 (or 36802370233570 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 331221332102103 its reverse (301201233122133), we get a palindrome (632422565224236).

The spelling of 331221332102103 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, three hundred thirty-two million, one hundred two thousand, one hundred three".