319441697 has 2 divisors, whose sum is σ = 319441698. Its totient is φ = 319441696.

The previous prime is 319441693. The next prime is 319441769. The reversal of 319441697 is 796144913.

Together with next prime (319441769) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170015521 + 149426176 = 13039^2 + 12224^2 .

It is a cyclic number.

It is not a de Polignac number, because 319441697 - 2² = 319441693 is a prime.

It is not a weakly prime, because it can be changed into another prime (319441691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159720848 + 159720849.

It is an arithmetic number, because the mean of its divisors is an integer number (159720849).

Almost surely, 2^319441697 is an apocalyptic number.

It is an amenable number.

319441697 is a deficient number, since it is larger than the sum of its proper divisors (1).

319441697 is an equidigital number, since it uses as much as digits as its factorization.

319441697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 44.

The square root of 319441697 is about 17872.9319642861. The cubic root of 319441697 is about 683.5923618159.

The spelling of 319441697 in words is "three hundred nineteen million, four hundred forty-one thousand, six hundred ninety-seven".