20130001103 has 2 divisors, whose sum is σ = 20130001104. Its totient is φ = 20130001102.

The previous prime is 20130001033. The next prime is 20130001141. The reversal of 20130001103 is 30110003102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20130001103 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20130001303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065000551 + 10065000552.

It is an arithmetic number, because the mean of its divisors is an integer number (10065000552).

Almost surely, 2^20130001103 is an apocalyptic number.

20130001103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130001103 is an equidigital number, since it uses as much as digits as its factorization.

20130001103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 20130001103 its reverse (30110003102), we get a palindrome (50240004205).

The spelling of 20130001103 in words is "twenty billion, one hundred thirty million, one thousand, one hundred three".