330121231 has 16 divisors (see below), whose sum is σ = 378229248. Its totient is φ = 285199200.

The previous prime is 330121223. The next prime is 330121241. The reversal of 330121231 is 132121033.

It is not a de Polignac number, because 330121231 - 2³ = 330121223 is a prime.

It is a super-2 number, since 2×330121231² = 217960054313910722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330121241) 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 15 ways as a sum of consecutive naturals, for example, 35566 + ... + 43876.

It is an arithmetic number, because the mean of its divisors is an integer number (23639328).

Almost surely, 2^330121231 is an apocalyptic number.

330121231 is a deficient number, since it is larger than the sum of its proper divisors (48108017).

330121231 is a wasteful number, since it uses less digits than its factorization.

330121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8502.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 330121231 is about 18169.2385916416. The cubic root of 330121231 is about 691.1269346124.

Adding to 330121231 its reverse (132121033), we get a palindrome (462242264).

It can be divided in two parts, 33012 and 1231, that added together give a palindrome (34243).

The spelling of 330121231 in words is "three hundred thirty million, one hundred twenty-one thousand, two hundred thirty-one".