317816254042 has 16 divisors (see below), whose sum is σ = 544850058240. Its totient is φ = 136201417488.

The previous prime is 317816254033. The next prime is 317816254079. The reversal of 317816254042 is 240452618713.

It is a self number, because there is not a number n which added to its sum of digits gives 317816254042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96442 + ... + 803077.

It is an arithmetic number, because the mean of its divisors is an integer number (34053128640).

Almost surely, 2^317816254042 is an apocalyptic number.

317816254042 is a deficient number, since it is larger than the sum of its proper divisors (227033804198).

317816254042 is a wasteful number, since it uses less digits than its factorization.

317816254042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924765.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 317816254042 in words is "three hundred seventeen billion, eight hundred sixteen million, two hundred fifty-four thousand, forty-two".