20313000022303 has 2 divisors, whose sum is σ = 20313000022304. Its totient is φ = 20313000022302.

The previous prime is 20313000022193. The next prime is 20313000022307. The reversal of 20313000022303 is 30322000031302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20313000022303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20313000022307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156500011151 + 10156500011152.

It is an arithmetic number, because the mean of its divisors is an integer number (10156500011152).

Almost surely, 2^{20313000022303} is an apocalyptic number.

20313000022303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313000022303 is an equidigital number, since it uses as much as digits as its factorization.

20313000022303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20313000022303 its reverse (30322000031302), we get a palindrome (50635000053605).

The spelling of 20313000022303 in words is "twenty trillion, three hundred thirteen billion, twenty-two thousand, three hundred three".