111333232313 has 4 divisors (see below), whose sum is σ = 111334302288. Its totient is φ = 111332162340.

The previous prime is 111333232279. The next prime is 111333232379. The reversal of 111333232313 is 313232333111.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 313232333111 = 19 ⋅16485912269.

It is a cyclic number.

It is not a de Polignac number, because 111333232313 - 2¹² = 111333228217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111333232513) 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, 359783 + ... + 593388.

It is an arithmetic number, because the mean of its divisors is an integer number (27833575572).

Almost surely, 2^111333232313 is an apocalyptic number.

It is an amenable number.

111333232313 is a deficient number, since it is larger than the sum of its proper divisors (1069975).

111333232313 is an equidigital number, since it uses as much as digits as its factorization.

111333232313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069974.

The product of its digits is 2916, while the sum is 26.

Adding to 111333232313 its reverse (313232333111), we get a palindrome (424565565424).

The spelling of 111333232313 in words is "one hundred eleven billion, three hundred thirty-three million, two hundred thirty-two thousand, three hundred thirteen".