116316231 has 4 divisors (see below), whose sum is σ = 155088312. Its totient is φ = 77544152.

The previous prime is 116316217. The next prime is 116316241. The reversal of 116316231 is 132613611.

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

It is a cyclic number.

It is not a de Polignac number, because 116316231 - 2¹³ = 116308039 is a prime.

It is a super-2 number, since 2×116316231² = 27058931188090722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116316241) 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, 19386036 + ... + 19386041.

It is an arithmetic number, because the mean of its divisors is an integer number (38772078).

Almost surely, 2^116316231 is an apocalyptic number.

116316231 is a deficient number, since it is larger than the sum of its proper divisors (38772081).

116316231 is an equidigital number, since it uses as much as digits as its factorization.

116316231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38772080.

The product of its digits is 648, while the sum is 24.

The square root of 116316231 is about 10785.0002781641. Note that the first 3 decimals coincide. The cubic root of 116316231 is about 488.1426716568.

Adding to 116316231 its reverse (132613611), we get a palindrome (248929842).

The spelling of 116316231 in words is "one hundred sixteen million, three hundred sixteen thousand, two hundred thirty-one".