313000189 has 2 divisors, whose sum is σ = 313000190. Its totient is φ = 313000188.

The previous prime is 313000187. The next prime is 313000217. The reversal of 313000189 is 981000313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209815225 + 103184964 = 14485^2 + 10158^2 .

It is a cyclic number.

It is not a de Polignac number, because 313000189 - 2¹ = 313000187 is a prime.

Together with 313000187, 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 (313000187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156500094 + 156500095.

It is an arithmetic number, because the mean of its divisors is an integer number (156500095).

Almost surely, 2^313000189 is an apocalyptic number.

It is an amenable number.

313000189 is a deficient number, since it is larger than the sum of its proper divisors (1).

313000189 is an equidigital number, since it uses as much as digits as its factorization.

313000189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 313000189 is about 17691.8113544091. The cubic root of 313000189 is about 678.9662703046.

The spelling of 313000189 in words is "three hundred thirteen million, one hundred eighty-nine", and thus it is an aban number.