131314081 has 2 divisors, whose sum is σ = 131314082. Its totient is φ = 131314080.

The previous prime is 131314067. The next prime is 131314123. The reversal of 131314081 is 180413131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103856481 + 27457600 = 10191^2 + 5240^2 .

It is an emirp because it is prime and its reverse (180413131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131314081 - 2¹¹ = 131312033 is a prime.

It is a super-2 number, since 2×131314081² = 34486775737749122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (137314081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65657040 + 65657041.

It is an arithmetic number, because the mean of its divisors is an integer number (65657041).

Almost surely, 2^131314081 is an apocalyptic number.

It is an amenable number.

131314081 is a deficient number, since it is larger than the sum of its proper divisors (1).

131314081 is an equidigital number, since it uses as much as digits as its factorization.

131314081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 131314081 is about 11459.2356202323. The cubic root of 131314081 is about 508.2808718651.

The spelling of 131314081 in words is "one hundred thirty-one million, three hundred fourteen thousand, eighty-one".