313116605 has 8 divisors (see below), whose sum is σ = 376639200. Its totient is φ = 249893776.

The previous prime is 313116581. The next prime is 313116613. The reversal of 313116605 is 506611313.

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 313116605 - 2¹² = 313112509 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 72635 + ... + 76824.

It is an arithmetic number, because the mean of its divisors is an integer number (47079900).

Almost surely, 2^313116605 is an apocalyptic number.

It is an amenable number.

313116605 is a deficient number, since it is larger than the sum of its proper divisors (63522595).

313116605 is a wasteful number, since it uses less digits than its factorization.

313116605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149883.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 313116605 is about 17695.1011582302. The cubic root of 313116605 is about 679.0504371758.

Adding to 313116605 its reverse (506611313), we get a palindrome (819727918).

The spelling of 313116605 in words is "three hundred thirteen million, one hundred sixteen thousand, six hundred five".