111312313303 has 4 divisors (see below), whose sum is σ = 111336138288. Its totient is φ = 111288488320.

The previous prime is 111312313291. The next prime is 111312313319. The reversal of 111312313303 is 303313213111.

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 111312313303 - 2²⁹ = 110775442391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312313373) 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, 11905483 + ... + 11914828.

It is an arithmetic number, because the mean of its divisors is an integer number (27834034572).

Almost surely, 2^111312313303 is an apocalyptic number.

111312313303 is a deficient number, since it is larger than the sum of its proper divisors (23824985).

111312313303 is an equidigital number, since it uses as much as digits as its factorization.

111312313303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23824984.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 111312313303 its reverse (303313213111), we get a palindrome (414625526414).

The spelling of 111312313303 in words is "one hundred eleven billion, three hundred twelve million, three hundred thirteen thousand, three hundred three".