116311345 has 24 divisors (see below), whose sum is σ = 149380416. Its totient is φ = 86774688.

The previous prime is 116311343. The next prime is 116311357. The reversal of 116311345 is 543113611.

It is not a de Polignac number, because 116311345 - 2¹ = 116311343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116311343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212362 + ... + 212908.

It is an arithmetic number, because the mean of its divisors is an integer number (6224184).

Almost surely, 2^116311345 is an apocalyptic number.

It is an amenable number.

116311345 is a deficient number, since it is larger than the sum of its proper divisors (33069071).

116311345 is an equidigital number, since it uses as much as digits as its factorization.

116311345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 618 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 116311345 is about 10784.7737574786. The cubic root of 116311345 is about 488.1358365588.

Adding to 116311345 its reverse (543113611), we get a palindrome (659424956).

The spelling of 116311345 in words is "one hundred sixteen million, three hundred eleven thousand, three hundred forty-five".