316540141 has 2 divisors, whose sum is σ = 316540142. Its totient is φ = 316540140.

The previous prime is 316540139. The next prime is 316540201. The reversal of 316540141 is 141045613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261468900 + 55071241 = 16170^2 + 7421^2 .

It is an emirp because it is prime and its reverse (141045613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316540141 - 2¹ = 316540139 is a prime.

Together with 316540139, 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 (316544141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158270070 + 158270071.

It is an arithmetic number, because the mean of its divisors is an integer number (158270071).

Almost surely, 2^316540141 is an apocalyptic number.

It is an amenable number.

316540141 is a deficient number, since it is larger than the sum of its proper divisors (1).

316540141 is an equidigital number, since it uses as much as digits as its factorization.

316540141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 316540141 is about 17791.5750005445. The cubic root of 316540141 is about 681.5163257327.

Adding to 316540141 its reverse (141045613), we get a palindrome (457585754).

The spelling of 316540141 in words is "three hundred sixteen million, five hundred forty thousand, one hundred forty-one".