20313101100223 has 4 divisors (see below), whose sum is σ = 20315603646360. Its totient is φ = 20310598554088.

The previous prime is 20313101100197. The next prime is 20313101100329. The reversal of 20313101100223 is 32200110131302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20313101100223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20313101100223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313101107223) 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, 1251260893 + ... + 1251277126.

It is an arithmetic number, because the mean of its divisors is an integer number (5078900911590).

Almost surely, 2^{20313101100223} is an apocalyptic number.

20313101100223 is a deficient number, since it is larger than the sum of its proper divisors (2502546137).

20313101100223 is an equidigital number, since it uses as much as digits as its factorization.

20313101100223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502546136.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20313101100223 its reverse (32200110131302), we get a palindrome (52513211231525).

The spelling of 20313101100223 in words is "twenty trillion, three hundred thirteen billion, one hundred one million, one hundred thousand, two hundred twenty-three".