131071849 has 2 divisors, whose sum is σ = 131071850. Its totient is φ = 131071848.

The previous prime is 131071807. The next prime is 131071903. The reversal of 131071849 is 948170131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130942249 + 129600 = 11443^2 + 360^2 .

It is a cyclic number.

It is not a de Polignac number, because 131071849 - 2²⁵ = 97517417 is a prime.

It is not a weakly prime, because it can be changed into another prime (137071849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65535924 + 65535925.

It is an arithmetic number, because the mean of its divisors is an integer number (65535925).

Almost surely, 2^131071849 is an apocalyptic number.

It is an amenable number.

131071849 is a deficient number, since it is larger than the sum of its proper divisors (1).

131071849 is an equidigital number, since it uses as much as digits as its factorization.

131071849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 131071849 is about 11448.6614501434. The cubic root of 131071849 is about 507.9681415634.

The spelling of 131071849 in words is "one hundred thirty-one million, seventy-one thousand, eight hundred forty-nine".