331221000333 has 16 divisors (see below), whose sum is σ = 443980578816. Its totient is φ = 219637922160.

The previous prime is 331221000317. The next prime is 331221000347. The reversal of 331221000333 is 333000122133.

It is not a de Polignac number, because 331221000333 - 2⁴ = 331221000317 is a prime.

It is a super-2 number, since 2×331221000333² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331221000833) 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 15 ways as a sum of consecutive naturals, for example, 8947260 + ... + 8984202.

It is an arithmetic number, because the mean of its divisors is an integer number (27748786176).

Almost surely, 2^331221000333 is an apocalyptic number.

It is an amenable number.

331221000333 is a deficient number, since it is larger than the sum of its proper divisors (112759578483).

331221000333 is a wasteful number, since it uses less digits than its factorization.

331221000333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52784.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 331221000333 its reverse (333000122133), we get a palindrome (664221122466).

The spelling of 331221000333 in words is "three hundred thirty-one billion, two hundred twenty-one million, three hundred thirty-three", and thus it is an aban number.