331424430 has 64 divisors (see below), whose sum is σ = 812980800. Its totient is φ = 86451200.

The previous prime is 331424399. The next prime is 331424437. The reversal of 331424430 is 34424133.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 331424430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331424437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269056 + ... + 270284.

It is an arithmetic number, because the mean of its divisors is an integer number (12702825).

Almost surely, 2^331424430 is an apocalyptic number.

331424430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331424430 is an abundant number, since it is smaller than the sum of its proper divisors (481556370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331424430 is a wasteful number, since it uses less digits than its factorization.

331424430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 331424430 is about 18205.0660531622. The cubic root of 331424430 is about 692.0351800864.

Adding to 331424430 its reverse (34424133), we get a palindrome (365848563).

The spelling of 331424430 in words is "three hundred thirty-one million, four hundred twenty-four thousand, four hundred thirty".