2103012313 has 4 divisors (see below), whose sum is σ = 2112979408. Its totient is φ = 2093045220.

The previous prime is 2103012259. The next prime is 2103012361. The reversal of 2103012313 is 3132103012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2103012313 - 2¹⁷ = 2102881241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103013313) 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, 4983231 + ... + 4983652.

It is an arithmetic number, because the mean of its divisors is an integer number (528244852).

Almost surely, 2^2103012313 is an apocalyptic number.

It is an amenable number.

2103012313 is a deficient number, since it is larger than the sum of its proper divisors (9967095).

2103012313 is an equidigital number, since it uses as much as digits as its factorization.

2103012313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9967094.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2103012313 is about 45858.6122009814. The cubic root of 2103012313 is about 1281.1911748745.

Adding to 2103012313 its reverse (3132103012), we get a palindrome (5235115325).

The spelling of 2103012313 in words is "two billion, one hundred three million, twelve thousand, three hundred thirteen".