331132334113221 has 8 divisors (see below), whose sum is σ = 442712802739584. Its totient is φ = 220153377447840.

The previous prime is 331132334113159. The next prime is 331132334113267. The reversal of 331132334113221 is 122311433231133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331132334113221 - 2¹⁰ = 331132334112197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331132334113121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150377988960 + ... + 150377991161.

It is an arithmetic number, because the mean of its divisors is an integer number (55339100342448).

Almost surely, 2^{331132334113221} is an apocalyptic number.

It is an amenable number.

331132334113221 is a deficient number, since it is larger than the sum of its proper divisors (111580468626363).

331132334113221 is a wasteful number, since it uses less digits than its factorization.

331132334113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300755980491.

The product of its digits is 23328, while the sum is 33.

Adding to 331132334113221 its reverse (122311433231133), we get a palindrome (453443767344354).

The spelling of 331132334113221 in words is "three hundred thirty-one trillion, one hundred thirty-two billion, three hundred thirty-four million, one hundred thirteen thousand, two hundred twenty-one".