20313105641103 has 32 divisors (see below), whose sum is σ = 29953501443072. Its totient is φ = 12141347904000.

The previous prime is 20313105641099. The next prime is 20313105641119. The reversal of 20313105641103 is 30114650131302.

It is not a de Polignac number, because 20313105641103 - 2² = 20313105641099 is a prime.

It is a super-2 number, since 2×20313105641103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313105641173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30021226 + ... + 30690392.

It is an arithmetic number, because the mean of its divisors is an integer number (936046920096).

Almost surely, 2^{20313105641103} is an apocalyptic number.

20313105641103 is a deficient number, since it is larger than the sum of its proper divisors (9640395801969).

20313105641103 is a wasteful number, since it uses less digits than its factorization.

20313105641103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681855.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 20313105641103 its reverse (30114650131302), we get a palindrome (50427755772405).

The spelling of 20313105641103 in words is "twenty trillion, three hundred thirteen billion, one hundred five million, six hundred forty-one thousand, one hundred three".