330420031 has 2 divisors, whose sum is σ = 330420032. Its totient is φ = 330420030.

The previous prime is 330419989. The next prime is 330420043. The reversal of 330420031 is 130024033.

It is a strong prime.

It is an emirp because it is prime and its reverse (130024033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330420031 - 2²¹ = 328322879 is a prime.

It is a super-2 number, since 2×330420031² = 218354793772081922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 330419987 and 330420014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330420131) 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 as a sum of consecutive naturals, namely, 165210015 + 165210016.

It is an arithmetic number, because the mean of its divisors is an integer number (165210016).

Almost surely, 2^330420031 is an apocalyptic number.

330420031 is a deficient number, since it is larger than the sum of its proper divisors (1).

330420031 is an equidigital number, since it uses as much as digits as its factorization.

330420031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 330420031 is about 18177.4594209422. The cubic root of 330420031 is about 691.3353898048.

Adding to 330420031 its reverse (130024033), we get a palindrome (460444064).

The spelling of 330420031 in words is "three hundred thirty million, four hundred twenty thousand, thirty-one".