313105493 has 8 divisors (see below), whose sum is σ = 320096640. Its totient is φ = 306128160.

The previous prime is 313105453. The next prime is 313105511. The reversal of 313105493 is 394501313.

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 313105493 - 2²⁰ = 312056917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313105453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52193 + ... + 57881.

It is an arithmetic number, because the mean of its divisors is an integer number (40012080).

Almost surely, 2^313105493 is an apocalyptic number.

It is an amenable number.

313105493 is a deficient number, since it is larger than the sum of its proper divisors (6991147).

313105493 is a wasteful number, since it uses less digits than its factorization.

313105493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6907.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 313105493 is about 17694.7871702375. The cubic root of 313105493 is about 679.0424042816.

The spelling of 313105493 in words is "three hundred thirteen million, one hundred five thousand, four hundred ninety-three".