313113247 has 2 divisors, whose sum is σ = 313113248. Its totient is φ = 313113246.

The previous prime is 313113221. The next prime is 313113287. The reversal of 313113247 is 742311313.

It is a weak prime.

It is an emirp because it is prime and its reverse (742311313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313113247 - 2¹¹ = 313111199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313113287) 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, 156556623 + 156556624.

It is an arithmetic number, because the mean of its divisors is an integer number (156556624).

Almost surely, 2^313113247 is an apocalyptic number.

313113247 is a deficient number, since it is larger than the sum of its proper divisors (1).

313113247 is an equidigital number, since it uses as much as digits as its factorization.

313113247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 313113247 is about 17695.0062729574. The cubic root of 313113247 is about 679.0480096888.

The spelling of 313113247 in words is "three hundred thirteen million, one hundred thirteen thousand, two hundred forty-seven".