331201221303 has 8 divisors (see below), whose sum is σ = 441682782208. Its totient is φ = 220760237304.

The previous prime is 331201221257. The next prime is 331201221341. The reversal of 331201221303 is 303122102133.

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

It is not a de Polignac number, because 331201221303 - 2²⁰ = 331200172727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331201221303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331201221343) 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, 10125175 + ... + 10157832.

It is an arithmetic number, because the mean of its divisors is an integer number (55210347776).

Almost surely, 2^331201221303 is an apocalyptic number.

331201221303 is a deficient number, since it is larger than the sum of its proper divisors (110481560905).

331201221303 is a wasteful number, since it uses less digits than its factorization.

331201221303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20288453.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 331201221303 its reverse (303122102133), we get a palindrome (634323323436).

The spelling of 331201221303 in words is "three hundred thirty-one billion, two hundred one million, two hundred twenty-one thousand, three hundred three".