320212223013 has 4 divisors (see below), whose sum is σ = 426949630688. Its totient is φ = 213474815340.

The previous prime is 320212223011. The next prime is 320212223033. The reversal of 320212223013 is 310322212023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 320212223013 - 2¹ = 320212223011 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 (320212223011) 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, 53368703833 + ... + 53368703838.

It is an arithmetic number, because the mean of its divisors is an integer number (106737407672).

Almost surely, 2^320212223013 is an apocalyptic number.

It is an amenable number.

320212223013 is a deficient number, since it is larger than the sum of its proper divisors (106737407675).

320212223013 is a wasteful number, since it uses less digits than its factorization.

320212223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106737407674.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 320212223013 its reverse (310322212023), we get a palindrome (630534435036).

The spelling of 320212223013 in words is "three hundred twenty billion, two hundred twelve million, two hundred twenty-three thousand, thirteen".