111340331 has 4 divisors (see below), whose sum is σ = 111384000. Its totient is φ = 111296664.

The previous prime is 111340319. The next prime is 111340343. The reversal of 111340331 is 133043111.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (111340319) and next prime (111340343).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111340331 is a prime.

It is a super-2 number, since 2×111340331² = 24793338614379122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111340351) 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, 17756 + ... + 23193.

It is an arithmetic number, because the mean of its divisors is an integer number (27846000).

Almost surely, 2^111340331 is an apocalyptic number.

111340331 is a deficient number, since it is larger than the sum of its proper divisors (43669).

111340331 is an equidigital number, since it uses as much as digits as its factorization.

111340331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43668.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 111340331 is about 10551.7927860625. The cubic root of 111340331 is about 481.0802219806.

Adding to 111340331 its reverse (133043111), we get a palindrome (244383442).

The spelling of 111340331 in words is "one hundred eleven million, three hundred forty thousand, three hundred thirty-one".