20313100303 has 2 divisors, whose sum is σ = 20313100304. Its totient is φ = 20313100302.

The previous prime is 20313100211. The next prime is 20313100321. The reversal of 20313100303 is 30300131302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20313100303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20313100333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156550151 + 10156550152.

It is an arithmetic number, because the mean of its divisors is an integer number (10156550152).

Almost surely, 2^20313100303 is an apocalyptic number.

20313100303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313100303 is an equidigital number, since it uses as much as digits as its factorization.

20313100303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 20313100303 its reverse (30300131302), we get a palindrome (50613231605).

The spelling of 20313100303 in words is "twenty billion, three hundred thirteen million, one hundred thousand, three hundred three".