111311201303 has 4 divisors (see below), whose sum is σ = 114901885248. Its totient is φ = 107720517360.

The previous prime is 111311201299. The next prime is 111311201333. The reversal of 111311201303 is 303102113111.

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 111311201303 - 2² = 111311201299 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 (111311201333) 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, 1795341926 + ... + 1795341987.

It is an arithmetic number, because the mean of its divisors is an integer number (28725471312).

Almost surely, 2^111311201303 is an apocalyptic number.

111311201303 is a deficient number, since it is larger than the sum of its proper divisors (3590683945).

111311201303 is an equidigital number, since it uses as much as digits as its factorization.

111311201303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3590683944.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 111311201303 its reverse (303102113111), we get a palindrome (414413314414).

The spelling of 111311201303 in words is "one hundred eleven billion, three hundred eleven million, two hundred one thousand, three hundred three".