111111202313 has 4 divisors (see below), whose sum is σ = 111112811280. Its totient is φ = 111109593348.

The previous prime is 111111202289. The next prime is 111111202333. The reversal of 111111202313 is 313202111111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313202111111 = 475219 ⋅659069.

It is a cyclic number.

It is not a de Polignac number, because 111111202313 - 2⁶ = 111111202249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111111202291 and 111111202300.

It is not an unprimeable number, because it can be changed into a prime (111111202333) 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, 696023 + ... + 840636.

It is an arithmetic number, because the mean of its divisors is an integer number (27778202820).

Almost surely, 2^111111202313 is an apocalyptic number.

It is an amenable number.

111111202313 is a deficient number, since it is larger than the sum of its proper divisors (1608967).

111111202313 is an equidigital number, since it uses as much as digits as its factorization.

111111202313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608966.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111111202313 its reverse (313202111111), we get a palindrome (424313313424).

The spelling of 111111202313 in words is "one hundred eleven billion, one hundred eleven million, two hundred two thousand, three hundred thirteen".