20103002113 has 2 divisors, whose sum is σ = 20103002114. Its totient is φ = 20103002112.

The previous prime is 20103002057. The next prime is 20103002123. The reversal of 20103002113 is 31120030102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16076211264 + 4026790849 = 126792^2 + 63457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20103002113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20103002093 and 20103002102.

It is not a weakly prime, because it can be changed into another prime (20103002123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051501056 + 10051501057.

It is an arithmetic number, because the mean of its divisors is an integer number (10051501057).

Almost surely, 2^20103002113 is an apocalyptic number.

It is an amenable number.

20103002113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20103002113 is an equidigital number, since it uses as much as digits as its factorization.

20103002113 is an evil number, because the sum of its binary digits is even.

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

Adding to 20103002113 its reverse (31120030102), we get a palindrome (51223032215).

The spelling of 20103002113 in words is "twenty billion, one hundred three million, two thousand, one hundred thirteen".