203113034243313 has 16 divisors (see below), whose sum is σ = 277213760820480. Its totient is φ = 132212732745744.

The previous prime is 203113034243303. The next prime is 203113034243321. The reversal of 203113034243313 is 313342430311302.

It is a happy number.

203113034243313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203113034243313 - 2³² = 203108739276017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203113034243303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278905531 + ... + 279632832.

It is an arithmetic number, because the mean of its divisors is an integer number (17325860051280).

Almost surely, 2^{203113034243313} is an apocalyptic number.

It is an amenable number.

203113034243313 is a deficient number, since it is larger than the sum of its proper divisors (74100726577167).

203113034243313 is a wasteful number, since it uses less digits than its factorization.

203113034243313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558541228.

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 203113034243313 its reverse (313342430311302), we get a palindrome (516455464554615).

The spelling of 203113034243313 in words is "two hundred three trillion, one hundred thirteen billion, thirty-four million, two hundred forty-three thousand, three hundred thirteen".