111320313331 has 4 divisors (see below), whose sum is σ = 111353457600. Its totient is φ = 111287169064.

The previous prime is 111320313311. The next prime is 111320313337. The reversal of 111320313331 is 133313023111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111320313331 is a prime.

It is a super-2 number, since 2×111320313331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111320313337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16567096 + ... + 16573813.

It is an arithmetic number, because the mean of its divisors is an integer number (27838364400).

Almost surely, 2^111320313331 is an apocalyptic number.

111320313331 is a deficient number, since it is larger than the sum of its proper divisors (33144269).

111320313331 is an equidigital number, since it uses as much as digits as its factorization.

111320313331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33144268.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 111320313331 its reverse (133313023111), we get a palindrome (244633336442).

The spelling of 111320313331 in words is "one hundred eleven billion, three hundred twenty million, three hundred thirteen thousand, three hundred thirty-one".