320000312003 has 4 divisors (see below), whose sum is σ = 327442179768. Its totient is φ = 312558444240.

The previous prime is 320000311987. The next prime is 320000312117. The reversal of 320000312003 is 300213000023.

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 320000312003 - 2⁴ = 320000311987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320000314003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3720933818 + ... + 3720933903.

It is an arithmetic number, because the mean of its divisors is an integer number (81860544942).

Almost surely, 2^320000312003 is an apocalyptic number.

320000312003 is a deficient number, since it is larger than the sum of its proper divisors (7441867765).

320000312003 is an equidigital number, since it uses as much as digits as its factorization.

320000312003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7441867764.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 320000312003 its reverse (300213000023), we get a palindrome (620213312026).

The spelling of 320000312003 in words is "three hundred twenty billion, three hundred twelve thousand, three".