421113303 has 32 divisors (see below), whose sum is σ = 673370880. Its totient is φ = 258564960.

The previous prime is 421113299. The next prime is 421113323. The reversal of 421113303 is 303311124.

It is not a de Polignac number, because 421113303 - 2² = 421113299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421113323) 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 31 ways as a sum of consecutive naturals, for example, 196548 + ... + 198678.

It is an arithmetic number, because the mean of its divisors is an integer number (21042840).

Almost surely, 2^421113303 is an apocalyptic number.

421113303 is a deficient number, since it is larger than the sum of its proper divisors (252257577).

421113303 is a wasteful number, since it uses less digits than its factorization.

421113303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716 (or 2710 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 421113303 is about 20521.0453681093. The cubic root of 421113303 is about 749.5483520735.

Adding to 421113303 its reverse (303311124), we get a palindrome (724424427).

The spelling of 421113303 in words is "four hundred twenty-one million, one hundred thirteen thousand, three hundred three".