131383279 has 2 divisors, whose sum is σ = 131383280. Its totient is φ = 131383278.

The previous prime is 131383277. The next prime is 131383289. The reversal of 131383279 is 972383131.

It is a weak prime.

It is an emirp because it is prime and its reverse (972383131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131383279 - 2¹ = 131383277 is a prime.

Together with 131383277, 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 (131383277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65691639 + 65691640.

It is an arithmetic number, because the mean of its divisors is an integer number (65691640).

Almost surely, 2^131383279 is an apocalyptic number.

131383279 is a deficient number, since it is larger than the sum of its proper divisors (1).

131383279 is an equidigital number, since it uses as much as digits as its factorization.

131383279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 131383279 is about 11462.2545339039. The cubic root of 131383279 is about 508.3701383605.

The spelling of 131383279 in words is "one hundred thirty-one million, three hundred eighty-three thousand, two hundred seventy-nine".