131113259 has 2 divisors, whose sum is σ = 131113260. Its totient is φ = 131113258.

The previous prime is 131113223. The next prime is 131113261. The reversal of 131113259 is 952311131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131113259 is a prime.

Together with 131113261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131113289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65556629 + 65556630.

It is an arithmetic number, because the mean of its divisors is an integer number (65556630).

Almost surely, 2^131113259 is an apocalyptic number.

131113259 is a deficient number, since it is larger than the sum of its proper divisors (1).

131113259 is an equidigital number, since it uses as much as digits as its factorization.

131113259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 26.

The square root of 131113259 is about 11450.4698156888. The cubic root of 131113259 is about 508.0216306639.

The spelling of 131113259 in words is "one hundred thirty-one million, one hundred thirteen thousand, two hundred fifty-nine".