1003303420421 has 8 divisors (see below), whose sum is σ = 1030214477760. Its totient is φ = 976722560352.

The previous prime is 1003303420417. The next prime is 1003303420433. The reversal of 1003303420421 is 1240243033001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1003303420421 - 2² = 1003303420417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003303420451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82543160 + ... + 82555313.

It is an arithmetic number, because the mean of its divisors is an integer number (128776809720).

Almost surely, 2^{1003303420421} is an apocalyptic number.

It is an amenable number.

1003303420421 is a deficient number, since it is larger than the sum of its proper divisors (26911057339).

1003303420421 is a wasteful number, since it uses less digits than its factorization.

1003303420421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165098635.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1003303420421 its reverse (1240243033001), we get a palindrome (2243546453422).

The spelling of 1003303420421 in words is "one trillion, three billion, three hundred three million, four hundred twenty thousand, four hundred twenty-one".