317955331144 has 128 divisors (see below), whose sum is σ = 680464540800. Its totient is φ = 137958912000.

The previous prime is 317955331091. The next prime is 317955331181. The reversal of 317955331144 is 441133559713.

It is a junction number, because it is equal to n+sod(n) for n = 317955331094 and 317955331103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84538224 + ... + 84541984.

It is an arithmetic number, because the mean of its divisors is an integer number (5316129225).

Almost surely, 2^317955331144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317955331144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340232270400).

317955331144 is an abundant number, since it is smaller than the sum of its proper divisors (362509209656).

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

317955331144 is a wasteful number, since it uses less digits than its factorization.

317955331144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175 (or 4171 counting only the distinct ones).

The product of its digits is 680400, while the sum is 46.

The spelling of 317955331144 in words is "three hundred seventeen billion, nine hundred fifty-five million, three hundred thirty-one thousand, one hundred forty-four".