317450121000 has 256 divisors, whose sum is σ = 1018809792000. Its totient is φ = 82236211200.

The previous prime is 317450120951. The next prime is 317450121011. The reversal of 317450121000 is 121054713.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 63 ways as a sum of consecutive naturals, for example, 85357141 + ... + 85360859.

It is an arithmetic number, because the mean of its divisors is an integer number (3979725750).

Almost surely, 2^317450121000 is an apocalyptic number.

317450121000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317450121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509404896000).

317450121000 is an abundant number, since it is smaller than the sum of its proper divisors (701359671000).

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

317450121000 is a wasteful number, since it uses less digits than its factorization.

317450121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549 (or 4535 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

Adding to 317450121000 its reverse (121054713), we get a palindrome (317571175713).

The spelling of 317450121000 in words is "three hundred seventeen billion, four hundred fifty million, one hundred twenty-one thousand".