2103101310313 has 4 divisors (see below), whose sum is σ = 2103361313620. Its totient is φ = 2102841307008.

The previous prime is 2103101310257. The next prime is 2103101310353. The reversal of 2103101310313 is 3130131013012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1113052430169 + 990048880144 = 1055013^2 + 995012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103101310313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103101310353) 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, 129989520 + ... + 130005697.

It is an arithmetic number, because the mean of its divisors is an integer number (525840328405).

Almost surely, 2^{2103101310313} is an apocalyptic number.

It is an amenable number.

2103101310313 is a deficient number, since it is larger than the sum of its proper divisors (260003307).

2103101310313 is an equidigital number, since it uses as much as digits as its factorization.

2103101310313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260003306.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 2103101310313 its reverse (3130131013012), we get a palindrome (5233232323325).

The spelling of 2103101310313 in words is "two trillion, one hundred three billion, one hundred one million, three hundred ten thousand, three hundred thirteen".