330031310020021 has 12 divisors (see below), whose sum is σ = 331423381065280. Its totient is φ = 328640611059360.

The previous prime is 330031310020003. The next prime is 330031310020033. The reversal of 330031310020021 is 120020013130033.

It is not a de Polignac number, because 330031310020021 - 2¹⁷ = 330031309888949 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 (330031310020091) 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 11 ways as a sum of consecutive naturals, for example, 991576810 + ... + 991909588.

Almost surely, 2^{330031310020021} is an apocalyptic number.

It is an amenable number.

330031310020021 is a deficient number, since it is larger than the sum of its proper divisors (1392071045259).

330031310020021 is an frugal number, since it uses more digits than its factorization.

330031310020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336876 (or 334963 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 330031310020021 its reverse (120020013130033), we get a palindrome (450051323150054).

The spelling of 330031310020021 in words is "three hundred thirty trillion, thirty-one billion, three hundred ten million, twenty thousand, twenty-one".