111312030303 has 32 divisors (see below), whose sum is σ = 166241548800. Its totient is φ = 73609579008.

The previous prime is 111312030253. The next prime is 111312030341. The reversal of 111312030303 is 303030213111.

It is a happy number.

It is not a de Polignac number, because 111312030303 - 2¹⁶ = 111311964767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312030353) 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 31 ways as a sum of consecutive naturals, for example, 1777438 + ... + 1838996.

It is an arithmetic number, because the mean of its divisors is an integer number (5195048400).

Almost surely, 2^111312030303 is an apocalyptic number.

111312030303 is a deficient number, since it is larger than the sum of its proper divisors (54929518497).

111312030303 is a wasteful number, since it uses less digits than its factorization.

111312030303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62108 (or 62102 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 111312030303 its reverse (303030213111), we get a palindrome (414342243414).

The spelling of 111312030303 in words is "one hundred eleven billion, three hundred twelve million, thirty thousand, three hundred three".