330242431 has 2 divisors, whose sum is σ = 330242432. Its totient is φ = 330242430.

The previous prime is 330242399. The next prime is 330242453. The reversal of 330242431 is 134242033.

It is a happy number.

It is an a-pointer prime, because the next prime (330242453) can be obtained adding 330242431 to its sum of digits (22).

It is a strong prime.

It is an emirp because it is prime and its reverse (134242033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330242431 - 2⁵ = 330242399 is a prime.

It is a super-2 number, since 2×330242431² = 218120126465579522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330242491) 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, 165121215 + 165121216.

It is an arithmetic number, because the mean of its divisors is an integer number (165121216).

Almost surely, 2^330242431 is an apocalyptic number.

330242431 is a deficient number, since it is larger than the sum of its proper divisors (1).

330242431 is an equidigital number, since it uses as much as digits as its factorization.

330242431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 330242431 is about 18172.5735931926. The cubic root of 330242431 is about 691.2115038834.

Adding to 330242431 its reverse (134242033), we get a palindrome (464484464).

The spelling of 330242431 in words is "three hundred thirty million, two hundred forty-two thousand, four hundred thirty-one".