313108489 has 2 divisors, whose sum is σ = 313108490. Its totient is φ = 313108488.

The previous prime is 313108469. The next prime is 313108507. The reversal of 313108489 is 984801313.

313108489 is nontrivially palindromic in base 11.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285103225 + 28005264 = 16885^2 + 5292^2 .

It is a cyclic number.

It is not a de Polignac number, because 313108489 - 2¹⁹ = 312584201 is a prime.

It is not a weakly prime, because it can be changed into another prime (313108459) 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, 156554244 + 156554245.

It is an arithmetic number, because the mean of its divisors is an integer number (156554245).

Almost surely, 2^313108489 is an apocalyptic number.

It is an amenable number.

313108489 is a deficient number, since it is larger than the sum of its proper divisors (1).

313108489 is an equidigital number, since it uses as much as digits as its factorization.

313108489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 313108489 is about 17694.8718277359. The cubic root of 313108489 is about 679.0445701166.

The spelling of 313108489 in words is "three hundred thirteen million, one hundred eight thousand, four hundred eighty-nine".