20010313011103 has 4 divisors (see below), whose sum is σ = 20010338432440. Its totient is φ = 20010287589768.

The previous prime is 20010313011079. The next prime is 20010313011223. The reversal of 20010313011103 is 30111031301002.

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-20010313011103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010313011803) 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 3 ways as a sum of consecutive naturals, for example, 11490933 + ... + 13117246.

It is an arithmetic number, because the mean of its divisors is an integer number (5002584608110).

Almost surely, 2^{20010313011103} is an apocalyptic number.

20010313011103 is a deficient number, since it is larger than the sum of its proper divisors (25421337).

20010313011103 is an equidigital number, since it uses as much as digits as its factorization.

20010313011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25421336.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 20010313011103 its reverse (30111031301002), we get a palindrome (50121344312105).

The spelling of 20010313011103 in words is "twenty trillion, ten billion, three hundred thirteen million, eleven thousand, one hundred three".