320321223013203 has 80 divisors (see below), whose sum is σ = 504374940410880. Its totient is φ = 202032817992576.

The previous prime is 320321223013189. The next prime is 320321223013219. The reversal of 320321223013203 is 302310322123023.

320321223013203 is a `hidden beast` number, since 3 + 2 + 0 + 3 + 212 + 230 + 13 + 203 = 666.

It is not a de Polignac number, because 320321223013203 - 2¹⁷ = 320321222882131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (320321223013273) 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 79 ways as a sum of consecutive naturals, for example, 3379117975 + ... + 3379212767.

It is an arithmetic number, because the mean of its divisors is an integer number (6304686755136).

Almost surely, 2^{320321223013203} is an apocalyptic number.

320321223013203 is a deficient number, since it is larger than the sum of its proper divisors (184053717397677).

320321223013203 is a wasteful number, since it uses less digits than its factorization.

320321223013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97790 (or 97781 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 320321223013203 its reverse (302310322123023), we get a palindrome (622631545136226).

The spelling of 320321223013203 in words is "three hundred twenty trillion, three hundred twenty-one billion, two hundred twenty-three million, thirteen thousand, two hundred three".