111203320313 has 4 divisors (see below), whose sum is σ = 111205837200. Its totient is φ = 111200803428.

The previous prime is 111203320259. The next prime is 111203320339. The reversal of 111203320313 is 313023302111.

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 111203320313 - 2¹⁰ = 111203319289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111203320343) 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, 1190963 + ... + 1280936.

It is an arithmetic number, because the mean of its divisors is an integer number (27801459300).

Almost surely, 2^111203320313 is an apocalyptic number.

It is an amenable number.

111203320313 is a deficient number, since it is larger than the sum of its proper divisors (2516887).

111203320313 is an equidigital number, since it uses as much as digits as its factorization.

111203320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516886.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 111203320313 its reverse (313023302111), we get a palindrome (424226622424).

The spelling of 111203320313 in words is "one hundred eleven billion, two hundred three million, three hundred twenty thousand, three hundred thirteen".