203201030113 has 4 divisors (see below), whose sum is σ = 203202078660. Its totient is φ = 203199981568.

The previous prime is 203201030099. The next prime is 203201030119. The reversal of 203201030113 is 311030102302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 33252616609 + 169948413504 = 182353^2 + 412248^2 .

It is a cyclic number.

It is not a de Polignac number, because 203201030113 - 2¹³ = 203201021921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203201030119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139408 + ... + 652561.

It is an arithmetic number, because the mean of its divisors is an integer number (50800519665).

Almost surely, 2^203201030113 is an apocalyptic number.

It is an amenable number.

203201030113 is a deficient number, since it is larger than the sum of its proper divisors (1048547).

203201030113 is an equidigital number, since it uses as much as digits as its factorization.

203201030113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048546.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 203201030113 its reverse (311030102302), we get a palindrome (514231132415).

The spelling of 203201030113 in words is "two hundred three billion, two hundred one million, thirty thousand, one hundred thirteen".