320316113522 has 4 divisors (see below), whose sum is σ = 480474170286. Its totient is φ = 160158056760.

The previous prime is 320316113503. The next prime is 320316113543. The reversal of 320316113522 is 225311613023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 290304362401 + 30011751121 = 538799^2 + 173239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80079028379 + ... + 80079028382.

Almost surely, 2^320316113522 is an apocalyptic number.

320316113522 is a deficient number, since it is larger than the sum of its proper divisors (160158056764).

320316113522 is a wasteful number, since it uses less digits than its factorization.

320316113522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160158056763.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 320316113522 its reverse (225311613023), we get a palindrome (545627726545).

The spelling of 320316113522 in words is "three hundred twenty billion, three hundred sixteen million, one hundred thirteen thousand, five hundred twenty-two".