316745193 has 4 divisors (see below), whose sum is σ = 422326928. Its totient is φ = 211163460.

The previous prime is 316745189. The next prime is 316745323. The reversal of 316745193 is 391547613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 316745193 - 2² = 316745189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316741193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52790863 + ... + 52790868.

It is an arithmetic number, because the mean of its divisors is an integer number (105581732).

Almost surely, 2^316745193 is an apocalyptic number.

It is an amenable number.

316745193 is a deficient number, since it is larger than the sum of its proper divisors (105581735).

316745193 is a wasteful number, since it uses less digits than its factorization.

316745193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105581734.

The product of its digits is 68040, while the sum is 39.

The square root of 316745193 is about 17797.3366827736. The cubic root of 316745193 is about 681.6634541196.

The spelling of 316745193 in words is "three hundred sixteen million, seven hundred forty-five thousand, one hundred ninety-three".