313005243 has 8 divisors (see below), whose sum is σ = 420526656. Its totient is φ = 207077000.

The previous prime is 313005197. The next prime is 313005247. The reversal of 313005243 is 342500313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313005243 - 2⁶ = 313005179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313005247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397833 + ... + 398618.

It is an arithmetic number, because the mean of its divisors is an integer number (52565832).

Almost surely, 2^313005243 is an apocalyptic number.

313005243 is a deficient number, since it is larger than the sum of its proper divisors (107521413).

313005243 is a wasteful number, since it uses less digits than its factorization.

313005243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796585.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 313005243 is about 17691.9541882744. The cubic root of 313005243 is about 678.9699246976.

Adding to 313005243 its reverse (342500313), we get a palindrome (655505556).

The spelling of 313005243 in words is "three hundred thirteen million, five thousand, two hundred forty-three".