317138043 has 16 divisors (see below), whose sum is σ = 454035456. Its totient is φ = 196183680.

The previous prime is 317138033. The next prime is 317138071. The reversal of 317138043 is 340831713.

It is not a de Polignac number, because 317138043 - 2¹⁰ = 317137019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 317138043.

It is not an unprimeable number, because it can be changed into a prime (317138033) 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, 40171 + ... + 47412.

It is an arithmetic number, because the mean of its divisors is an integer number (28377216).

Almost surely, 2^317138043 is an apocalyptic number.

317138043 is a deficient number, since it is larger than the sum of its proper divisors (136897413).

317138043 is a wasteful number, since it uses less digits than its factorization.

317138043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87674.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 317138043 is about 17808.3700264791. The cubic root of 317138043 is about 681.9451535831.

Adding to 317138043 its reverse (340831713), we get a palindrome (657969756).

It can be divided in two parts, 3171 and 38043, that added together give a palindrome (41214).

The spelling of 317138043 in words is "three hundred seventeen million, one hundred thirty-eight thousand, forty-three".