20113030103 has 2 divisors, whose sum is σ = 20113030104. Its totient is φ = 20113030102.

The previous prime is 20113030073. The next prime is 20113030229. The reversal of 20113030103 is 30103031102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20113030103 - 2⁶ = 20113030039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20113090103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056515051 + 10056515052.

It is an arithmetic number, because the mean of its divisors is an integer number (10056515052).

Almost surely, 2^20113030103 is an apocalyptic number.

20113030103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113030103 is an equidigital number, since it uses as much as digits as its factorization.

20113030103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 20113030103 its reverse (30103031102), we get a palindrome (50216061205).

Subtracting 20113030103 from its reverse (30103031102), we obtain a palindrome (9990000999).

The spelling of 20113030103 in words is "twenty billion, one hundred thirteen million, thirty thousand, one hundred three".