320215421203 has 8 divisors (see below), whose sum is σ = 321231312896. Its totient is φ = 319200928200.

The previous prime is 320215421189. The next prime is 320215421213. The reversal of 320215421203 is 302124512023.

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 320215421203 - 2⁹ = 320215420691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320215421213) 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, 109888 + ... + 807778.

It is an arithmetic number, because the mean of its divisors is an integer number (40153914112).

Almost surely, 2^320215421203 is an apocalyptic number.

320215421203 is a deficient number, since it is larger than the sum of its proper divisors (1015891693).

320215421203 is an equidigital number, since it uses as much as digits as its factorization.

320215421203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699345.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 320215421203 its reverse (302124512023), we get a palindrome (622339933226).

The spelling of 320215421203 in words is "three hundred twenty billion, two hundred fifteen million, four hundred twenty-one thousand, two hundred three".