317223435140 has 48 divisors (see below), whose sum is σ = 678797159040. Its totient is φ = 124505821440.

The previous prime is 317223435121. The next prime is 317223435143. The reversal of 317223435140 is 41534322713.

It is a self number, because there is not a number n which added to its sum of digits gives 317223435140.

It is not an unprimeable number, because it can be changed into a prime (317223435143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447032 + ... + 913391.

It is an arithmetic number, because the mean of its divisors is an integer number (14141607480).

Almost surely, 2^317223435140 is an apocalyptic number.

It is an amenable number.

317223435140 is an abundant number, since it is smaller than the sum of its proper divisors (361573723900).

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

317223435140 is a wasteful number, since it uses less digits than its factorization.

317223435140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360652 (or 1360650 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 317223435140 its reverse (41534322713), we get a palindrome (358757757853).

The spelling of 317223435140 in words is "three hundred seventeen billion, two hundred twenty-three million, four hundred thirty-five thousand, one hundred forty".