317071642 has 8 divisors (see below), whose sum is σ = 477108756. Its totient is φ = 158035392.

The previous prime is 317071621. The next prime is 317071661. The reversal of 317071642 is 246170713.

It can be written as a sum of positive squares in 2 ways, for example, as 226231681 + 90839961 = 15041^2 + 9531^2 .

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

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, 249423 + ... + 250690.

Almost surely, 2^317071642 is an apocalyptic number.

317071642 is a deficient number, since it is larger than the sum of its proper divisors (160037114).

317071642 is a wasteful number, since it uses less digits than its factorization.

317071642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500432.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 317071642 is about 17806.5056089060. The cubic root of 317071642 is about 681.8975560129.

It can be divided in two parts, 317071 and 642, that added together give a palindrome (317713).

The spelling of 317071642 in words is "three hundred seventeen million, seventy-one thousand, six hundred forty-two".