111313303231 has 24 divisors (see below), whose sum is σ = 121548916224. Its totient is φ = 101887718400.

The previous prime is 111313303223. The next prime is 111313303247. The reversal of 111313303231 is 132303313111.

It is not a de Polignac number, because 111313303231 - 2³ = 111313303223 is a prime.

It is a super-2 number, since 2×111313303231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111313303291) 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 23 ways as a sum of consecutive naturals, for example, 26647015 + ... + 26651191.

It is an arithmetic number, because the mean of its divisors is an integer number (5064538176).

Almost surely, 2^111313303231 is an apocalyptic number.

111313303231 is a deficient number, since it is larger than the sum of its proper divisors (10235612993).

111313303231 is a wasteful number, since it uses less digits than its factorization.

111313303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5491 (or 5478 counting only the distinct ones).

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

Adding to 111313303231 its reverse (132303313111), we get a palindrome (243616616342).

The spelling of 111313303231 in words is "one hundred eleven billion, three hundred thirteen million, three hundred three thousand, two hundred thirty-one".