313163125 has 60 divisors (see below), whose sum is σ = 444991932. Its totient is φ = 220000000.

The previous prime is 313163119. The next prime is 313163129. The reversal of 313163125 is 521361313.

It can be written as a sum of positive squares in 10 ways, for example, as 237838084 + 75325041 = 15422^2 + 8679^2 .

It is not a de Polignac number, because 313163125 - 2⁵ = 313163093 is a prime.

It is a super-2 number, since 2×313163125² = 196142285719531250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 313163125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313163129) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 3100575 + ... + 3100675.

Almost surely, 2^313163125 is an apocalyptic number.

It is an amenable number.

313163125 is a deficient number, since it is larger than the sum of its proper divisors (131828807).

313163125 is a wasteful number, since it uses less digits than its factorization.

313163125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 158 counting only the distinct ones).

The product of its digits is 1620, while the sum is 25.

The square root of 313163125 is about 17696.4155975158. The cubic root of 313163125 is about 679.0840645440.

The spelling of 313163125 in words is "three hundred thirteen million, one hundred sixty-three thousand, one hundred twenty-five".