20312241301303 has 4 divisors (see below), whose sum is σ = 23213990058640. Its totient is φ = 17410492543968.

The previous prime is 20312241301291. The next prime is 20312241301309. The reversal of 20312241301303 is 30310314221302.

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 20312241301303 - 2³³ = 20303651366711 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 (20312241301309) 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, 1450874378658 + ... + 1450874378671.

It is an arithmetic number, because the mean of its divisors is an integer number (5803497514660).

Almost surely, 2^{20312241301303} is an apocalyptic number.

20312241301303 is a deficient number, since it is larger than the sum of its proper divisors (2901748757337).

20312241301303 is an equidigital number, since it uses as much as digits as its factorization.

20312241301303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901748757336.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20312241301303 its reverse (30310314221302), we get a palindrome (50622555522605).

The spelling of 20312241301303 in words is "twenty trillion, three hundred twelve billion, two hundred forty-one million, three hundred one thousand, three hundred three".