317640083 has 2 divisors, whose sum is σ = 317640084. Its totient is φ = 317640082.

The previous prime is 317640073. The next prime is 317640101. The reversal of 317640083 is 380046713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317640083 - 2¹² = 317635987 is a prime.

It is not a weakly prime, because it can be changed into another prime (317640073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158820041 + 158820042.

It is an arithmetic number, because the mean of its divisors is an integer number (158820042).

Almost surely, 2^317640083 is an apocalyptic number.

317640083 is a deficient number, since it is larger than the sum of its proper divisors (1).

317640083 is an equidigital number, since it uses as much as digits as its factorization.

317640083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 317640083 is about 17822.4600714941. The cubic root of 317640083 is about 682.3048111029.

Adding to 317640083 its reverse (380046713), we get a palindrome (697686796).

The spelling of 317640083 in words is "three hundred seventeen million, six hundred forty thousand, eighty-three".