203113301313 has 24 divisors (see below), whose sum is σ = 295388724288. Its totient is φ = 123410465568.

The previous prime is 203113301263. The next prime is 203113301357. The reversal of 203113301313 is 313103311302.

203113301313 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 203113301313 - 2¹³ = 203113293121 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 203113301313.

It is not an unprimeable number, because it can be changed into a prime (203113301113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173845 + ... + 660642.

It is an arithmetic number, because the mean of its divisors is an integer number (12307863512).

Almost surely, 2^203113301313 is an apocalyptic number.

It is an amenable number.

203113301313 is a deficient number, since it is larger than the sum of its proper divisors (92275422975).

203113301313 is an equidigital number, since it uses as much as digits as its factorization.

203113301313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834661 (or 834582 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 203113301313 its reverse (313103311302), we get a palindrome (516216612615).

The spelling of 203113301313 in words is "two hundred three billion, one hundred thirteen million, three hundred one thousand, three hundred thirteen".