116216311 has 4 divisors (see below), whose sum is σ = 120223800. Its totient is φ = 112208824.

The previous prime is 116216273. The next prime is 116216327. The reversal of 116216311 is 113612611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116216311 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 (116216341) 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, 2003701 + ... + 2003758.

It is an arithmetic number, because the mean of its divisors is an integer number (30055950).

Almost surely, 2^116216311 is an apocalyptic number.

116216311 is a deficient number, since it is larger than the sum of its proper divisors (4007489).

116216311 is an equidigital number, since it uses as much as digits as its factorization.

116216311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007488.

The product of its digits is 216, while the sum is 22.

The square root of 116216311 is about 10780.3669232545. The cubic root of 116216311 is about 488.0028539988.

Adding to 116216311 its reverse (113612611), we get a palindrome (229828922).

The spelling of 116216311 in words is "one hundred sixteen million, two hundred sixteen thousand, three hundred eleven".