1111312113 has 8 divisors (see below), whose sum is σ = 1483953888. Its totient is φ = 739772544.

The previous prime is 1111312073. The next prime is 1111312127. The reversal of 1111312113 is 3112131111.

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

It is not a de Polignac number, because 1111312113 - 2²⁴ = 1094534897 is a prime.

It is a super-2 number, since 2×1111312113² = 2470029225001049538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111312092 and 1111312101.

It is not an unprimeable number, because it can be changed into a prime (1111316113) 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, 273195 + ... + 277232.

It is an arithmetic number, because the mean of its divisors is an integer number (185494236).

Almost surely, 2^1111312113 is an apocalyptic number.

It is an amenable number.

1111312113 is a deficient number, since it is larger than the sum of its proper divisors (372641775).

1111312113 is an equidigital number, since it uses as much as digits as its factorization.

1111312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551103.

The product of its digits is 18, while the sum is 15.

The square root of 1111312113 is about 33336.3482253231. The cubic root of 1111312113 is about 1035.8066208458.

Adding to 1111312113 its reverse (3112131111), we get a palindrome (4223443224).

The spelling of 1111312113 in words is "one billion, one hundred eleven million, three hundred twelve thousand, one hundred thirteen".