317391125 has 16 divisors (see below), whose sum is σ = 397281456. Its totient is φ = 253158400.

The previous prime is 317391121. The next prime is 317391131. The reversal of 317391125 is 521193713.

It can be written as a sum of positive squares in 8 ways, for example, as 200902276 + 116488849 = 14174^2 + 10793^2 .

It is not a de Polignac number, because 317391125 - 2² = 317391121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 317391091 and 317391100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317391121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40529 + ... + 47721.

It is an arithmetic number, because the mean of its divisors is an integer number (24830091).

Almost surely, 2^317391125 is an apocalyptic number.

It is an amenable number.

317391125 is a deficient number, since it is larger than the sum of its proper divisors (79890331).

317391125 is an equidigital number, since it uses as much as digits as its factorization.

317391125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7561 (or 7551 counting only the distinct ones).

The product of its digits is 5670, while the sum is 32.

The square root of 317391125 is about 17815.4743130796. The cubic root of 317391125 is about 682.1265069485.

The spelling of 317391125 in words is "three hundred seventeen million, three hundred ninety-one thousand, one hundred twenty-five".