112131317 has 2 divisors, whose sum is σ = 112131318. Its totient is φ = 112131316.

The previous prime is 112131307. The next prime is 112131323. The reversal of 112131317 is 713131211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94750756 + 17380561 = 9734^2 + 4169^2 .

It is a cyclic number.

It is not a de Polignac number, because 112131317 - 2¹² = 112127221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112131307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56065658 + 56065659.

It is an arithmetic number, because the mean of its divisors is an integer number (56065659).

Almost surely, 2^112131317 is an apocalyptic number.

It is an amenable number.

112131317 is a deficient number, since it is larger than the sum of its proper divisors (1).

112131317 is an equidigital number, since it uses as much as digits as its factorization.

112131317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126, while the sum is 20.

The square root of 112131317 is about 10589.2075718630. The cubic root of 112131317 is about 482.2167677393.

Adding to 112131317 its reverse (713131211), we get a palindrome (825262528).

The spelling of 112131317 in words is "one hundred twelve million, one hundred thirty-one thousand, three hundred seventeen".