520322131 has 12 divisors (see below), whose sum is σ = 615198720. Its totient is φ = 438676560.

The previous prime is 520322119. The next prime is 520322137. The reversal of 520322131 is 131223025.

It is not a de Polignac number, because 520322131 - 2¹¹ = 520320083 is a prime.

It is a super-2 number, since 2×520322131² = 541470240016762322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520322099 and 520322108.

It is not an unprimeable number, because it can be changed into a prime (520322137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84051 + ... + 90028.

It is an arithmetic number, because the mean of its divisors is an integer number (51266560).

Almost surely, 2^520322131 is an apocalyptic number.

520322131 is a deficient number, since it is larger than the sum of its proper divisors (94876589).

520322131 is a wasteful number, since it uses less digits than its factorization.

520322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174154 (or 174147 counting only the distinct ones).

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

The square root of 520322131 is about 22810.5705978610. The cubic root of 520322131 is about 804.3111687755.

Adding to 520322131 its reverse (131223025), we get a palindrome (651545156).

The spelling of 520322131 in words is "five hundred twenty million, three hundred twenty-two thousand, one hundred thirty-one".