317420140722 has 16 divisors (see below), whose sum is σ = 640458338400. Its totient is φ = 104870370752.

The previous prime is 317420140703. The next prime is 317420140729. The reversal of 317420140722 is 227041024713.

It is not an unprimeable number, because it can be changed into a prime (317420140729) by changing a digit.

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, 234084972 + ... + 234086327.

It is an arithmetic number, because the mean of its divisors is an integer number (40028646150).

Almost surely, 2^317420140722 is an apocalyptic number.

317420140722 is an abundant number, since it is smaller than the sum of its proper divisors (323038197678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317420140722 is a wasteful number, since it uses less digits than its factorization.

317420140722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468171417.

The product of its (nonzero) digits is 18816, while the sum is 33.

The spelling of 317420140722 in words is "three hundred seventeen billion, four hundred twenty million, one hundred forty thousand, seven hundred twenty-two".