131283073 has 2 divisors, whose sum is σ = 131283074. Its totient is φ = 131283072.

The previous prime is 131283071. The next prime is 131283121. The reversal of 131283073 is 370382131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118200384 + 13082689 = 10872^2 + 3617^2 .

It is a cyclic number.

It is not a de Polignac number, because 131283073 - 2¹ = 131283071 is a prime.

Together with 131283071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (131283071) 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, 65641536 + 65641537.

It is an arithmetic number, because the mean of its divisors is an integer number (65641537).

Almost surely, 2^131283073 is an apocalyptic number.

It is an amenable number.

131283073 is a deficient number, since it is larger than the sum of its proper divisors (1).

131283073 is an equidigital number, since it uses as much as digits as its factorization.

131283073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 131283073 is about 11457.8825705276. The cubic root of 131283073 is about 508.2408608882.

The spelling of 131283073 in words is "one hundred thirty-one million, two hundred eighty-three thousand, seventy-three".