20303323231013 has 8 divisors (see below), whose sum is σ = 21592248256320. Its totient is φ = 19036431112320.

The previous prime is 20303323230977. The next prime is 20303323231039. The reversal of 20303323231013 is 31013232330302.

It is a happy number.

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 20303323231013 - 2³⁰ = 20302249489189 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 (20303323231073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5508224753 + ... + 5508228438.

It is an arithmetic number, because the mean of its divisors is an integer number (2699031032040).

Almost surely, 2^{20303323231013} is an apocalyptic number.

It is an amenable number.

20303323231013 is a deficient number, since it is larger than the sum of its proper divisors (1288925025307).

20303323231013 is a wasteful number, since it uses less digits than its factorization.

20303323231013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11016453307.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 20303323231013 its reverse (31013232330302), we get a palindrome (51316555561315).

The spelling of 20303323231013 in words is "twenty trillion, three hundred three billion, three hundred twenty-three million, two hundred thirty-one thousand, thirteen".