330013121 has 4 divisors (see below), whose sum is σ = 330061872. Its totient is φ = 329964372.

The previous prime is 330013093. The next prime is 330013169. The reversal of 330013121 is 121310033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121310033 = 13 ⋅9331541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330013121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330013096 and 330013105.

It is not an unprimeable number, because it can be changed into a prime (330013921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12191 + ... + 28436.

It is an arithmetic number, because the mean of its divisors is an integer number (82515468).

Almost surely, 2^330013121 is an apocalyptic number.

It is an amenable number.

330013121 is a deficient number, since it is larger than the sum of its proper divisors (48751).

330013121 is an equidigital number, since it uses as much as digits as its factorization.

330013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48750.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 330013121 is about 18166.2632646343. The cubic root of 330013121 is about 691.0514816336.

Adding to 330013121 its reverse (121310033), we get a palindrome (451323154).

The spelling of 330013121 in words is "three hundred thirty million, thirteen thousand, one hundred twenty-one".