420313431103 has 4 divisors (see below), whose sum is σ = 420344059840. Its totient is φ = 420282802368.

The previous prime is 420313431101. The next prime is 420313431121. The reversal of 420313431103 is 301134313024.

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 420313431103 - 2¹ = 420313431101 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 (420313431101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15293775 + ... + 15321232.

It is an arithmetic number, because the mean of its divisors is an integer number (105086014960).

Almost surely, 2^420313431103 is an apocalyptic number.

420313431103 is a deficient number, since it is larger than the sum of its proper divisors (30628737).

420313431103 is a wasteful number, since it uses less digits than its factorization.

420313431103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30628736.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 420313431103 its reverse (301134313024), we get a palindrome (721447744127).

The spelling of 420313431103 in words is "four hundred twenty billion, three hundred thirteen million, four hundred thirty-one thousand, one hundred three".