317245442 has 8 divisors (see below), whose sum is σ = 492277500. Its totient is φ = 153152944.

The previous prime is 317245427. The next prime is 317245501. The reversal of 317245442 is 244542713.

It can be written as a sum of positive squares in 2 ways, for example, as 277189201 + 40056241 = 16649^2 + 6329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 317245399 and 317245408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2734817 + ... + 2734932.

Almost surely, 2^317245442 is an apocalyptic number.

317245442 is a deficient number, since it is larger than the sum of its proper divisors (175032058).

317245442 is a wasteful number, since it uses less digits than its factorization.

317245442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5469780.

The product of its digits is 26880, while the sum is 32.

The square root of 317245442 is about 17811.3851791488. The cubic root of 317245442 is about 682.0221252816.

The spelling of 317245442 in words is "three hundred seventeen million, two hundred forty-five thousand, four hundred forty-two".