313170245 has 4 divisors (see below), whose sum is σ = 375804300. Its totient is φ = 250536192.

The previous prime is 313170239. The next prime is 313170251. The reversal of 313170245 is 542071313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542071313 = 7 ⋅77438759.

It is an interprime number because it is at equal distance from previous prime (313170239) and next prime (313170251).

It can be written as a sum of positive squares in 2 ways, for example, as 81613156 + 231557089 = 9034^2 + 15217^2 .

It is a cyclic number.

It is not a de Polignac number, because 313170245 - 2⁴ = 313170229 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 31317020 + ... + 31317029.

It is an arithmetic number, because the mean of its divisors is an integer number (93951075).

Almost surely, 2^313170245 is an apocalyptic number.

It is an amenable number.

313170245 is a deficient number, since it is larger than the sum of its proper divisors (62634055).

313170245 is an equidigital number, since it uses as much as digits as its factorization.

313170245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62634054.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 313170245 is about 17696.6167670547. The cubic root of 313170245 is about 679.0892110012.

The spelling of 313170245 in words is "three hundred thirteen million, one hundred seventy thousand, two hundred forty-five".