203313121130113 has 4 divisors (see below), whose sum is σ = 204448948622640. Its totient is φ = 202177293637588.

The previous prime is 203313121130107. The next prime is 203313121130137. The reversal of 203313121130113 is 311031121313302.

203313121130113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 203313121130113 - 2⁴¹ = 201114097874561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203313121130213) 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, 567913745995 + ... + 567913746352.

It is an arithmetic number, because the mean of its divisors is an integer number (51112237155660).

Almost surely, 2^{203313121130113} is an apocalyptic number.

It is an amenable number.

203313121130113 is a deficient number, since it is larger than the sum of its proper divisors (1135827492527).

203313121130113 is a wasteful number, since it uses less digits than its factorization.

203313121130113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135827492526.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 203313121130113 its reverse (311031121313302), we get a palindrome (514344242443415).

The spelling of 203313121130113 in words is "two hundred three trillion, three hundred thirteen billion, one hundred twenty-one million, one hundred thirty thousand, one hundred thirteen".