330231132020421 has 16 divisors (see below), whose sum is σ = 498462086070720. Its totient is φ = 216000237295440.

The previous prime is 330231132020407. The next prime is 330231132020441. The reversal of 330231132020421 is 124020231132033.

330231132020421 is a `hidden beast` number, since 3 + 3 + 0 + 2 + 31 + 1 + 3 + 202 + 0 + 421 = 666.

It is not a de Polignac number, because 330231132020421 - 2⁵ = 330231132020389 is a prime.

It is a super-2 number, since 2×330231132020421² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330231132020441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115384740715 + ... + 115384743576.

It is an arithmetic number, because the mean of its divisors is an integer number (31153880379420).

Almost surely, 2^{330231132020421} is an apocalyptic number.

It is an amenable number.

330231132020421 is a deficient number, since it is larger than the sum of its proper divisors (168230954050299).

330231132020421 is a wasteful number, since it uses less digits than its factorization.

330231132020421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230769484353 (or 230769484347 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 330231132020421 its reverse (124020231132033), we get a palindrome (454251363152454).

The spelling of 330231132020421 in words is "three hundred thirty trillion, two hundred thirty-one billion, one hundred thirty-two million, twenty thousand, four hundred twenty-one".