111030031309 has 8 divisors (see below), whose sum is σ = 115592912120. Its totient is φ = 106549364736.

The previous prime is 111030031297. The next prime is 111030031313. The reversal of 111030031309 is 903130030111.

It can be written as a sum of positive squares in 4 ways, for example, as 26103249225 + 84926782084 = 161565^2 + 291422^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111030031309 - 2¹¹ = 111030029261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111030031309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111030031319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20550804 + ... + 20556205.

It is an arithmetic number, because the mean of its divisors is an integer number (14449114015).

Almost surely, 2^111030031309 is an apocalyptic number.

It is an amenable number.

111030031309 is a deficient number, since it is larger than the sum of its proper divisors (4562880811).

111030031309 is an equidigital number, since it uses as much as digits as its factorization.

111030031309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41107119.

The product of its (nonzero) digits is 243, while the sum is 22.

The spelling of 111030031309 in words is "one hundred eleven billion, thirty million, thirty-one thousand, three hundred nine".