316530220513220 has 48 divisors (see below), whose sum is σ = 784178094701568. Its totient is φ = 105023851966080.

The previous prime is 316530220513187. The next prime is 316530220513291. The reversal of 316530220513220 is 22315022035613.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36466610927 + ... + 36466619606.

It is an arithmetic number, because the mean of its divisors is an integer number (16337043639616).

Almost surely, 2^{316530220513220} is an apocalyptic number.

It is an amenable number.

316530220513220 is an abundant number, since it is smaller than the sum of its proper divisors (467647874188348).

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

316530220513220 is a wasteful number, since it uses less digits than its factorization.

316530220513220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72933230580 (or 72933230578 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 316530220513220 its reverse (22315022035613), we get a palindrome (338845242548833).

The spelling of 316530220513220 in words is "three hundred sixteen trillion, five hundred thirty billion, two hundred twenty million, five hundred thirteen thousand, two hundred twenty".