2111302313 has 4 divisors (see below), whose sum is σ = 2119714128. Its totient is φ = 2102890500.

The previous prime is 2111302307. The next prime is 2111302321. The reversal of 2111302313 is 3132031112.

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 a de Polignac number, because none of the positive numbers 2^k-2111302313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111302291 and 2111302300.

It is not an unprimeable number, because it can be changed into a prime (2111302393) 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, 4205531 + ... + 4206032.

It is an arithmetic number, because the mean of its divisors is an integer number (529928532).

Almost surely, 2^2111302313 is an apocalyptic number.

It is an amenable number.

2111302313 is a deficient number, since it is larger than the sum of its proper divisors (8411815).

2111302313 is an equidigital number, since it uses as much as digits as its factorization.

2111302313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8411814.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2111302313 is about 45948.9098129651. The cubic root of 2111302313 is about 1282.8724377136.

Adding to 2111302313 its reverse (3132031112), we get a palindrome (5243333425).

The spelling of 2111302313 in words is "two billion, one hundred eleven million, three hundred two thousand, three hundred thirteen".