111311320120313 has 16 divisors (see below), whose sum is σ = 112554646364160. Its totient is φ = 110075500180800.

The previous prime is 111311320120267. The next prime is 111311320120339. The reversal of 111311320120313 is 313021023113111.

It is a cyclic number.

It is not a de Polignac number, because 111311320120313 - 2¹⁰ = 111311320119289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111311320120393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65880008 + ... + 67548486.

It is an arithmetic number, because the mean of its divisors is an integer number (7034665397760).

Almost surely, 2^{111311320120313} is an apocalyptic number.

It is an amenable number.

111311320120313 is a deficient number, since it is larger than the sum of its proper divisors (1243326243847).

111311320120313 is a wasteful number, since it uses less digits than its factorization.

111311320120313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670728.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 111311320120313 its reverse (313021023113111), we get a palindrome (424332343233424).

The spelling of 111311320120313 in words is "one hundred eleven trillion, three hundred eleven billion, three hundred twenty million, one hundred twenty thousand, three hundred thirteen".