116311321 has 8 divisors (see below), whose sum is σ = 133596800. Its totient is φ = 99193248.

The previous prime is 116311319. The next prime is 116311339. The reversal of 116311321 is 123113611.

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

It is not a de Polignac number, because 116311321 - 2¹ = 116311319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116311381) 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, 40356 + ... + 43141.

It is an arithmetic number, because the mean of its divisors is an integer number (16699600).

Almost surely, 2^116311321 is an apocalyptic number.

It is an amenable number.

116311321 is a deficient number, since it is larger than the sum of its proper divisors (17285479).

116311321 is an equidigital number, since it uses as much as digits as its factorization.

116311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83703.

The product of its digits is 108, while the sum is 19.

The square root of 116311321 is about 10784.7726447988. The cubic root of 116311321 is about 488.1358029844.

Adding to 116311321 its reverse (123113611), we get a palindrome (239424932).

The spelling of 116311321 in words is "one hundred sixteen million, three hundred eleven thousand, three hundred twenty-one".