131112199 has 2 divisors, whose sum is σ = 131112200. Its totient is φ = 131112198.

The previous prime is 131112197. The next prime is 131112227. The reversal of 131112199 is 991211131.

It is an a-pointer prime, because the next prime (131112227) can be obtained adding 131112199 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (991211131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131112199 - 2¹ = 131112197 is a prime.

Together with 131112197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131112197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65556099 + 65556100.

It is an arithmetic number, because the mean of its divisors is an integer number (65556100).

Almost surely, 2^131112199 is an apocalyptic number.

131112199 is a deficient number, since it is larger than the sum of its proper divisors (1).

131112199 is an equidigital number, since it uses as much as digits as its factorization.

131112199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486, while the sum is 28.

The square root of 131112199 is about 11450.4235292848. The cubic root of 131112199 is about 508.0202616074.

The spelling of 131112199 in words is "one hundred thirty-one million, one hundred twelve thousand, one hundred ninety-nine".