131448287 has 2 divisors, whose sum is σ = 131448288. Its totient is φ = 131448286.

The previous prime is 131448241. The next prime is 131448307. The reversal of 131448287 is 782844131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131448287 - 2¹⁴ = 131431903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131448287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131448227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65724143 + 65724144.

It is an arithmetic number, because the mean of its divisors is an integer number (65724144).

Almost surely, 2^131448287 is an apocalyptic number.

131448287 is a deficient number, since it is larger than the sum of its proper divisors (1).

131448287 is an equidigital number, since it uses as much as digits as its factorization.

131448287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 38.

The square root of 131448287 is about 11465.0899255087. The cubic root of 131448287 is about 508.4539711410.

The spelling of 131448287 in words is "one hundred thirty-one million, four hundred forty-eight thousand, two hundred eighty-seven".