313143793 has 8 divisors (see below), whose sum is σ = 320523008. Its totient is φ = 305848224.

The previous prime is 313143713. The next prime is 313143797. The reversal of 313143793 is 397341313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313143793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313143797) 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, 13305 + ... + 28342.

It is an arithmetic number, because the mean of its divisors is an integer number (40065376).

Almost surely, 2^313143793 is an apocalyptic number.

It is an amenable number.

313143793 is a deficient number, since it is larger than the sum of its proper divisors (7379215).

313143793 is a wasteful number, since it uses less digits than its factorization.

313143793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41823.

The product of its digits is 20412, while the sum is 34.

The square root of 313143793 is about 17695.8693767783. The cubic root of 313143793 is about 679.0700906517.

The spelling of 313143793 in words is "three hundred thirteen million, one hundred forty-three thousand, seven hundred ninety-three".