330242403 has 4 divisors (see below), whose sum is σ = 440323208. Its totient is φ = 220161600.

The previous prime is 330242399. The next prime is 330242431. The reversal of 330242403 is 304242033.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 330242403 - 2² = 330242399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 330242403.

It is not an unprimeable number, because it can be changed into a prime (330242453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55040398 + ... + 55040403.

It is an arithmetic number, because the mean of its divisors is an integer number (110080802).

Almost surely, 2^330242403 is an apocalyptic number.

330242403 is a deficient number, since it is larger than the sum of its proper divisors (110080805).

330242403 is a wasteful number, since it uses less digits than its factorization.

330242403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110080804.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 330242403 is about 18172.5728228008. The cubic root of 330242403 is about 691.2114843483.

Adding to 330242403 its reverse (304242033), we get a palindrome (634484436).

The spelling of 330242403 in words is "three hundred thirty million, two hundred forty-two thousand, four hundred three".