330020031 has 32 divisors (see below), whose sum is σ = 530385408. Its totient is φ = 180055040.

The previous prime is 330020011. The next prime is 330020039. The reversal of 330020031 is 130020033.

It is a happy number.

It is not a de Polignac number, because 330020031 - 2¹¹ = 330017983 is a prime.

It is a super-2 number, since 2×330020031² = 217826441722481922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 330019989 and 330020016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330020039) 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 31 ways as a sum of consecutive naturals, for example, 115 + ... + 25691.

It is an arithmetic number, because the mean of its divisors is an integer number (16574544).

Almost surely, 2^330020031 is an apocalyptic number.

330020031 is a deficient number, since it is larger than the sum of its proper divisors (200365377).

330020031 is a wasteful number, since it uses less digits than its factorization.

330020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25631.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 330020031 is about 18166.4534513482. The cubic root of 330020031 is about 691.0563048079.

Adding to 330020031 its reverse (130020033), we get a palindrome (460040064).

The spelling of 330020031 in words is "three hundred thirty million, twenty thousand, thirty-one".