116231321 has 2 divisors, whose sum is σ = 116231322. Its totient is φ = 116231320.

The previous prime is 116231293. The next prime is 116231359. The reversal of 116231321 is 123132611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114169225 + 2062096 = 10685^2 + 1436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116231321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 116231293 and 116231302.

It is not a weakly prime, because it can be changed into another prime (116231221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58115660 + 58115661.

It is an arithmetic number, because the mean of its divisors is an integer number (58115661).

Almost surely, 2^116231321 is an apocalyptic number.

It is an amenable number.

116231321 is a deficient number, since it is larger than the sum of its proper divisors (1).

116231321 is an equidigital number, since it uses as much as digits as its factorization.

116231321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 20.

The square root of 116231321 is about 10781.0630737418. The cubic root of 116231321 is about 488.0238625458.

Adding to 116231321 its reverse (123132611), we get a palindrome (239363932).

The spelling of 116231321 in words is "one hundred sixteen million, two hundred thirty-one thousand, three hundred twenty-one".