20331312112303 has 4 divisors (see below), whose sum is σ = 20559753821520. Its totient is φ = 20102870403088.

The previous prime is 20331312112249. The next prime is 20331312112373. The reversal of 20331312112303 is 30321121313302.

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 20331312112303 - 2³³ = 20322722177711 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 (20331312112373) 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 3 ways as a sum of consecutive naturals, for example, 114220854475 + ... + 114220854652.

It is an arithmetic number, because the mean of its divisors is an integer number (5139938455380).

Almost surely, 2^{20331312112303} is an apocalyptic number.

20331312112303 is a deficient number, since it is larger than the sum of its proper divisors (228441709217).

20331312112303 is an equidigital number, since it uses as much as digits as its factorization.

20331312112303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228441709216.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 20331312112303 its reverse (30321121313302), we get a palindrome (50652433425605).

The spelling of 20331312112303 in words is "twenty trillion, three hundred thirty-one billion, three hundred twelve million, one hundred twelve thousand, three hundred three".