111310001311 has 4 divisors (see below), whose sum is σ = 111315625624. Its totient is φ = 111304377000.

The previous prime is 111310001291. The next prime is 111310001317. The reversal of 111310001311 is 113100013111.

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

It is a cyclic number.

It is not a de Polignac number, because 111310001311 - 2⁷ = 111310001183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111310001291 and 111310001300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111310001317) 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, 2782365 + ... + 2822086.

It is an arithmetic number, because the mean of its divisors is an integer number (27828906406).

Almost surely, 2^111310001311 is an apocalyptic number.

111310001311 is a deficient number, since it is larger than the sum of its proper divisors (5624313).

111310001311 is an equidigital number, since it uses as much as digits as its factorization.

111310001311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5624312.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 111310001311 its reverse (113100013111), we get a palindrome (224410014422).

The spelling of 111310001311 in words is "one hundred eleven billion, three hundred ten million, one thousand, three hundred eleven".