20130144103 has 4 divisors (see below), whose sum is σ = 20132341600. Its totient is φ = 20127946608.

The previous prime is 20130144077. The next prime is 20130144217. The reversal of 20130144103 is 30144103102.

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 20130144103 - 2¹⁷ = 20130013031 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 (20130141103) 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, 1084950 + ... + 1103347.

It is an arithmetic number, because the mean of its divisors is an integer number (5033085400).

Almost surely, 2^20130144103 is an apocalyptic number.

20130144103 is a deficient number, since it is larger than the sum of its proper divisors (2197497).

20130144103 is an equidigital number, since it uses as much as digits as its factorization.

20130144103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197496.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20130144103 its reverse (30144103102), we get a palindrome (50274247205).

The spelling of 20130144103 in words is "twenty billion, one hundred thirty million, one hundred forty-four thousand, one hundred three".