331213140000221 has 8 divisors (see below), whose sum is σ = 336765323895000. Its totient is φ = 325664906437440.

The previous prime is 331213140000203. The next prime is 331213140000233. The reversal of 331213140000221 is 122000041312133.

It can be written as a sum of positive squares in 4 ways, for example, as 18498514980100 + 312714625020121 = 4300990^2 + 17683739^2 .

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 331213140000221 - 2⁶ = 331213140000157 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 (331213140000121) 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, 987413906 + ... + 987749283.

It is an arithmetic number, because the mean of its divisors is an integer number (42095665486875).

Almost surely, 2^{331213140000221} is an apocalyptic number.

It is an amenable number.

331213140000221 is a deficient number, since it is larger than the sum of its proper divisors (5552183894779).

331213140000221 is a wasteful number, since it uses less digits than its factorization.

331213140000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975165999.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 331213140000221 its reverse (122000041312133), we get a palindrome (453213181312354).

The spelling of 331213140000221 in words is "three hundred thirty-one trillion, two hundred thirteen billion, one hundred forty million, two hundred twenty-one", and thus it is an aban number.