111313321031 has 8 divisors (see below), whose sum is σ = 121967662464. Its totient is φ = 100748137720.

The previous prime is 111313321027. The next prime is 111313321037. The reversal of 111313321031 is 130123313111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111313321031 - 2² = 111313321027 is a prime.

It is a super-2 number, since 2×111313321031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111313320994 and 111313321012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111313321037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22286915 + ... + 22291908.

It is an arithmetic number, because the mean of its divisors is an integer number (15245957808).

Almost surely, 2^111313321031 is an apocalyptic number.

111313321031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111313321031 is a deficient number, since it is larger than the sum of its proper divisors (10654341433).

111313321031 is a wasteful number, since it uses less digits than its factorization.

111313321031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44579061.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 111313321031 its reverse (130123313111), we get a palindrome (241436634142).

The spelling of 111313321031 in words is "one hundred eleven billion, three hundred thirteen million, three hundred twenty-one thousand, thirty-one".