2101000313 has 4 divisors (see below), whose sum is σ = 2101095540. Its totient is φ = 2100905088.

The previous prime is 2101000289. The next prime is 2101000333. The reversal of 2101000313 is 3130001012.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 920940409 + 1180059904 = 30347^2 + 34352^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101000313 - 2⁶ = 2101000249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101000294 and 2101000303.

It is not an unprimeable number, because it can be changed into a prime (2101000333) 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 3 ways as a sum of consecutive naturals, for example, 4481 + ... + 64977.

It is an arithmetic number, because the mean of its divisors is an integer number (525273885).

Almost surely, 2^2101000313 is an apocalyptic number.

It is an amenable number.

2101000313 is a deficient number, since it is larger than the sum of its proper divisors (95227).

2101000313 is an equidigital number, since it uses as much as digits as its factorization.

2101000313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95226.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 2101000313 is about 45836.6699597604. The cubic root of 2101000313 is about 1280.7824628679.

Adding to 2101000313 its reverse (3130001012), we get a palindrome (5231001325).

The spelling of 2101000313 in words is "two billion, one hundred one million, three hundred thirteen", and thus it is an aban number.