320513122 has 8 divisors (see below), whose sum is σ = 480906972. Its totient is φ = 160210800.

The previous prime is 320513077. The next prime is 320513131. The reversal of 320513122 is 221315023.

It can be written as a sum of positive squares in 2 ways, for example, as 317516761 + 2996361 = 17819^2 + 1731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×320513122² = 205457322748373768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320513122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13329 + ... + 28612.

Almost surely, 2^320513122 is an apocalyptic number.

320513122 is a deficient number, since it is larger than the sum of its proper divisors (160393850).

320513122 is a wasteful number, since it uses less digits than its factorization.

320513122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45764.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 320513122 is about 17902.8802710625. The cubic root of 320513122 is about 684.3557777160.

Adding to 320513122 its reverse (221315023), we get a palindrome (541828145).

The spelling of 320513122 in words is "three hundred twenty million, five hundred thirteen thousand, one hundred twenty-two".