12311032177 has 2 divisors, whose sum is σ = 12311032178. Its totient is φ = 12311032176.

The previous prime is 12311032127. The next prime is 12311032189. The reversal of 12311032177 is 77123011321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10041843681 + 2269188496 = 100209^2 + 47636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12311032177 is a prime.

It is not a weakly prime, because it can be changed into another prime (12311032127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155516088 + 6155516089.

It is an arithmetic number, because the mean of its divisors is an integer number (6155516089).

Almost surely, 2^12311032177 is an apocalyptic number.

It is an amenable number.

12311032177 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311032177 is an equidigital number, since it uses as much as digits as its factorization.

12311032177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

Adding to 12311032177 its reverse (77123011321), we get a palindrome (89434043498).

The spelling of 12311032177 in words is "twelve billion, three hundred eleven million, thirty-two thousand, one hundred seventy-seven".