2020311103 has 4 divisors (see below), whose sum is σ = 2020634488. Its totient is φ = 2019987720.

The previous prime is 2020311089. The next prime is 2020311109. The reversal of 2020311103 is 3011130202.

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

It is a cyclic number.

It is not a de Polignac number, because 2020311103 - 2¹⁷ = 2020180031 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 (2020311109) 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, 152133 + ... + 164878.

It is an arithmetic number, because the mean of its divisors is an integer number (505158622).

Almost surely, 2^2020311103 is an apocalyptic number.

2020311103 is a deficient number, since it is larger than the sum of its proper divisors (323385).

2020311103 is an equidigital number, since it uses as much as digits as its factorization.

2020311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323384.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2020311103 is about 44947.8709506913. The cubic root of 2020311103 is about 1264.1717571488.

Adding to 2020311103 its reverse (3011130202), we get a palindrome (5031441305).

The spelling of 2020311103 in words is "two billion, twenty million, three hundred eleven thousand, one hundred three".