203113210321313 has 8 divisors (see below), whose sum is σ = 213218897660160. Its totient is φ = 193229626001040.

The previous prime is 203113210321253. The next prime is 203113210321391. The reversal of 203113210321313 is 313123012311302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203113210321313 - 2¹⁸ = 203113210059169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203113210321013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55525752770 + ... + 55525756427.

It is an arithmetic number, because the mean of its divisors is an integer number (26652362207520).

Almost surely, 2^{203113210321313} is an apocalyptic number.

It is an amenable number.

203113210321313 is a deficient number, since it is larger than the sum of its proper divisors (10105687338847).

203113210321313 is a wasteful number, since it uses less digits than its factorization.

203113210321313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111051509287.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 203113210321313 its reverse (313123012311302), we get a palindrome (516236222632615).

The spelling of 203113210321313 in words is "two hundred three trillion, one hundred thirteen billion, two hundred ten million, three hundred twenty-one thousand, three hundred thirteen".