20312314303 has 4 divisors (see below), whose sum is σ = 20317485448. Its totient is φ = 20307143160.

The previous prime is 20312314301. The next prime is 20312314327. The reversal of 20312314303 is 30341321302.

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 20312314303 - 2¹ = 20312314301 is a prime.

It is a super-2 number, since 2×20312314303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312314301) 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, 2579676 + ... + 2587537.

It is an arithmetic number, because the mean of its divisors is an integer number (5079371362).

Almost surely, 2^20312314303 is an apocalyptic number.

20312314303 is a deficient number, since it is larger than the sum of its proper divisors (5171145).

20312314303 is an equidigital number, since it uses as much as digits as its factorization.

20312314303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171144.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20312314303 its reverse (30341321302), we get a palindrome (50653635605).

The spelling of 20312314303 in words is "twenty billion, three hundred twelve million, three hundred fourteen thousand, three hundred three".