320021213300003 has 4 divisors (see below), whose sum is σ = 325445301661080. Its totient is φ = 314597124938928.

The previous prime is 320021213299897. The next prime is 320021213300011. The reversal of 320021213300003 is 300003312120023.

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 320021213300003 - 2¹⁴ = 320021213283619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320021213300603) 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, 2712044180450 + ... + 2712044180567.

It is an arithmetic number, because the mean of its divisors is an integer number (81361325415270).

Almost surely, 2^{320021213300003} is an apocalyptic number.

320021213300003 is a deficient number, since it is larger than the sum of its proper divisors (5424088361077).

320021213300003 is an equidigital number, since it uses as much as digits as its factorization.

320021213300003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424088361076.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 320021213300003 its reverse (300003312120023), we get a palindrome (620024525420026).

The spelling of 320021213300003 in words is "three hundred twenty trillion, twenty-one billion, two hundred thirteen million, three hundred thousand, three".