331814545921 has 8 divisors (see below), whose sum is σ = 339557847200. Its totient is φ = 324072457632.

The previous prime is 331814545891. The next prime is 331814545927. The reversal of 331814545921 is 129545418133.

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 331814545921 - 2¹¹ = 331814543873 is a prime.

It is a super-3 number, since 3×331814545921³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331814545927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262405 + ... + 855853.

It is an arithmetic number, because the mean of its divisors is an integer number (42444730900).

Almost surely, 2^331814545921 is an apocalyptic number.

It is an amenable number.

331814545921 is a deficient number, since it is larger than the sum of its proper divisors (7743301279).

331814545921 is a wasteful number, since it uses less digits than its factorization.

331814545921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606495.

The product of its digits is 518400, while the sum is 46.

The spelling of 331814545921 in words is "three hundred thirty-one billion, eight hundred fourteen million, five hundred forty-five thousand, nine hundred twenty-one".