313031339 has 2 divisors, whose sum is σ = 313031340. Its totient is φ = 313031338.

The previous prime is 313031333. The next prime is 313031347. The reversal of 313031339 is 933130313.

It is a weak prime.

It is an emirp because it is prime and its reverse (933130313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313031339 - 2¹⁶ = 312965803 is a prime.

It is a super-2 number, since 2×313031339² = 195977238392265842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313031333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156515669 + 156515670.

It is an arithmetic number, because the mean of its divisors is an integer number (156515670).

Almost surely, 2^313031339 is an apocalyptic number.

313031339 is a deficient number, since it is larger than the sum of its proper divisors (1).

313031339 is an equidigital number, since it uses as much as digits as its factorization.

313031339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 26.

The square root of 313031339 is about 17692.6916832912. The cubic root of 313031339 is about 678.9887932918.

The spelling of 313031339 in words is "three hundred thirteen million, thirty-one thousand, three hundred thirty-nine".