203101103113 has 4 divisors (see below), whose sum is σ = 203107448068. Its totient is φ = 203094758160.

The previous prime is 203101103099. The next prime is 203101103123. The reversal of 203101103113 is 311301101302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311301101302 = 2 ⋅155650550651.

It can be written as a sum of positive squares in 2 ways, for example, as 46627060489 + 156474042624 = 215933^2 + 395568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203101103113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203101103123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3124218 + ... + 3188563.

It is an arithmetic number, because the mean of its divisors is an integer number (50776862017).

Almost surely, 2^203101103113 is an apocalyptic number.

It is an amenable number.

203101103113 is a deficient number, since it is larger than the sum of its proper divisors (6344955).

203101103113 is an equidigital number, since it uses as much as digits as its factorization.

203101103113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6344954.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 203101103113 its reverse (311301101302), we get a palindrome (514402204415).

The spelling of 203101103113 in words is "two hundred three billion, one hundred one million, one hundred three thousand, one hundred thirteen".