330421231 has 8 divisors (see below), whose sum is σ = 399837600. Its totient is φ = 266558208.

The previous prime is 330421207. The next prime is 330421237. The reversal of 330421231 is 132124033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 330421231 - 2⁵ = 330421199 is a prime.

It is a super-2 number, since 2×330421231² = 218356379791110722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330421199 and 330421208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330421237) 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 7 ways as a sum of consecutive naturals, for example, 1388206 + ... + 1388443.

It is an arithmetic number, because the mean of its divisors is an integer number (49979700).

Almost surely, 2^330421231 is an apocalyptic number.

330421231 is a deficient number, since it is larger than the sum of its proper divisors (69416369).

330421231 is a wasteful number, since it uses less digits than its factorization.

330421231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776673.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 330421231 is about 18177.4924288253. The cubic root of 330421231 is about 691.3362267208.

Adding to 330421231 its reverse (132124033), we get a palindrome (462545264).

The spelling of 330421231 in words is "three hundred thirty million, four hundred twenty-one thousand, two hundred thirty-one".