320203311213 has 8 divisors (see below), whose sum is σ = 430854608800. Its totient is φ = 211510443888.

The previous prime is 320203311187. The next prime is 320203311247. The reversal of 320203311213 is 312113302023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320203311213 - 2⁸ = 320203310957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320203311213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320203311293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489607183 + ... + 489607836.

It is an arithmetic number, because the mean of its divisors is an integer number (53856826100).

Almost surely, 2^320203311213 is an apocalyptic number.

It is an amenable number.

320203311213 is a deficient number, since it is larger than the sum of its proper divisors (110651297587).

320203311213 is a wasteful number, since it uses less digits than its factorization.

320203311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979215131.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 320203311213 its reverse (312113302023), we get a palindrome (632316613236).

The spelling of 320203311213 in words is "three hundred twenty billion, two hundred three million, three hundred eleven thousand, two hundred thirteen".