20312004313303 has 16 divisors (see below), whose sum is σ = 20636060000256. Its totient is φ = 19989011105280.

The previous prime is 20312004313301. The next prime is 20312004313327. The reversal of 20312004313303 is 30331340021302.

It is not a de Polignac number, because 20312004313303 - 2¹ = 20312004313301 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 (20312004313301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471221850 + ... + 471264952.

It is an arithmetic number, because the mean of its divisors is an integer number (1289753750016).

Almost surely, 2^{20312004313303} is an apocalyptic number.

20312004313303 is a deficient number, since it is larger than the sum of its proper divisors (324055686953).

20312004313303 is a wasteful number, since it uses less digits than its factorization.

20312004313303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55254.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20312004313303 its reverse (30331340021302), we get a palindrome (50643344334605).

The spelling of 20312004313303 in words is "twenty trillion, three hundred twelve billion, four million, three hundred thirteen thousand, three hundred three".