1111313113 has 4 divisors (see below), whose sum is σ = 1137157648. Its totient is φ = 1085468580.

The previous prime is 1111313111. The next prime is 1111313117. The reversal of 1111313113 is 3113131111.

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.

It is a cyclic number.

It is not a de Polignac number, because 1111313113 - 2¹ = 1111313111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111313111) 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, 12922203 + ... + 12922288.

It is an arithmetic number, because the mean of its divisors is an integer number (284289412).

Almost surely, 2^1111313113 is an apocalyptic number.

It is an amenable number.

1111313113 is a deficient number, since it is larger than the sum of its proper divisors (25844535).

1111313113 is an equidigital number, since it uses as much as digits as its factorization.

1111313113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25844534.

The product of its digits is 27, while the sum is 16.

The square root of 1111313113 is about 33336.3632239631. The cubic root of 1111313113 is about 1035.8069315315.

Adding to 1111313113 its reverse (3113131111), we get a palindrome (4224444224).

It can be divided in two parts, 111131 and 3113, that added together give a square (114244 = 338²).

The spelling of 1111313113 in words is "one billion, one hundred eleven million, three hundred thirteen thousand, one hundred thirteen".