317325431 has 4 divisors (see below), whose sum is σ = 325901832. Its totient is φ = 308749032.

The previous prime is 317325427. The next prime is 317325439. The reversal of 317325431 is 134523713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134523713 = 1063 ⋅126551.

It is a cyclic number.

It is not a de Polignac number, because 317325431 - 2² = 317325427 is a prime.

It is a super-2 number, since 2×317325431² = 201390858318671522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 317325394 and 317325403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317325439) by changing a digit.

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, 4288145 + ... + 4288218.

It is an arithmetic number, because the mean of its divisors is an integer number (81475458).

Almost surely, 2^317325431 is an apocalyptic number.

317325431 is a deficient number, since it is larger than the sum of its proper divisors (8576401).

317325431 is an equidigital number, since it uses as much as digits as its factorization.

317325431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8576400.

The product of its digits is 7560, while the sum is 29.

The square root of 317325431 is about 17813.6304834248. The cubic root of 317325431 is about 682.0794412439.

The spelling of 317325431 in words is "three hundred seventeen million, three hundred twenty-five thousand, four hundred thirty-one".