317227040312 has 128 divisors (see below), whose sum is σ = 791618365440. Its totient is φ = 115600988160.

The previous prime is 317227040309. The next prime is 317227040321. The reversal of 317227040312 is 213040722713.

It is a super-2 number, since 2×317227040312² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 308987 + ... + 854357.

It is an arithmetic number, because the mean of its divisors is an integer number (6184518480).

Almost surely, 2^317227040312 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 317227040312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395809182720).

317227040312 is an abundant number, since it is smaller than the sum of its proper divisors (474391325128).

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

317227040312 is a wasteful number, since it uses less digits than its factorization.

317227040312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545461 (or 545457 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The spelling of 317227040312 in words is "three hundred seventeen billion, two hundred twenty-seven million, forty thousand, three hundred twelve".