317128104546 has 96 divisors (see below), whose sum is σ = 709884022848. Its totient is φ = 94350960000.

The previous prime is 317128104541. The next prime is 317128104617. The reversal of 317128104546 is 645401821713.

It is a super-2 number, since 2×317128104546² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 317128104498 and 317128104507.

It is not an unprimeable number, because it can be changed into a prime (317128104541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25281036 + ... + 25293576.

It is an arithmetic number, because the mean of its divisors is an integer number (7394625238).

Almost surely, 2^317128104546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317128104546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354942011424).

317128104546 is an abundant number, since it is smaller than the sum of its proper divisors (392755918302).

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

317128104546 is a wasteful number, since it uses less digits than its factorization.

317128104546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13200 (or 13189 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 317128104546 in words is "three hundred seventeen billion, one hundred twenty-eight million, one hundred four thousand, five hundred forty-six".