317136220320 has 48 divisors (see below), whose sum is σ = 998979095520. Its totient is φ = 84569658624.

The previous prime is 317136220309. The next prime is 317136220343. The reversal of 317136220320 is 23022631713.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330349750 + ... + 330350709.

It is an arithmetic number, because the mean of its divisors is an integer number (20812064490).

Almost surely, 2^317136220320 is an apocalyptic number.

317136220320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

317136220320 is an abundant number, since it is smaller than the sum of its proper divisors (681842875200).

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

317136220320 is a wasteful number, since it uses less digits than its factorization.

317136220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660700477 (or 660700469 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The spelling of 317136220320 in words is "three hundred seventeen billion, one hundred thirty-six million, two hundred twenty thousand, three hundred twenty".