330001331 has 16 divisors (see below), whose sum is σ = 386881920. Its totient is φ = 278129280.

The previous prime is 330001319. The next prime is 330001349. The reversal of 330001331 is 133100033.

It is not a de Polignac number, because 330001331 - 2¹⁸ = 329739187 is a prime.

It is a super-2 number, since 2×330001331² = 217801756923543122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (330001351) 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, 641 + ... + 25698.

It is an arithmetic number, because the mean of its divisors is an integer number (24180120).

Almost surely, 2^330001331 is an apocalyptic number.

330001331 is a deficient number, since it is larger than the sum of its proper divisors (56880589).

330001331 is a wasteful number, since it uses less digits than its factorization.

330001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26434.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 330001331 is about 18165.9387591173. The cubic root of 330001331 is about 691.0432520679.

Adding to 330001331 its reverse (133100033), we get a palindrome (463101364).

The spelling of 330001331 in words is "three hundred thirty million, one thousand, three hundred thirty-one".