420313303 has 4 divisors (see below), whose sum is σ = 431673160. Its totient is φ = 408953448.

The previous prime is 420313297. The next prime is 420313379. The reversal of 420313303 is 303313024.

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

It is a cyclic number.

It is not a de Polignac number, because 420313303 - 2⁹ = 420312791 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 (420313403) 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, 5679873 + ... + 5679946.

It is an arithmetic number, because the mean of its divisors is an integer number (107918290).

Almost surely, 2^420313303 is an apocalyptic number.

420313303 is a deficient number, since it is larger than the sum of its proper divisors (11359857).

420313303 is a wasteful number, since it uses less digits than its factorization.

420313303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11359856.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 420313303 is about 20501.5439174712. The cubic root of 420313303 is about 749.0734056279.

Adding to 420313303 its reverse (303313024), we get a palindrome (723626327).

The spelling of 420313303 in words is "four hundred twenty million, three hundred thirteen thousand, three hundred three".