520231130 has 32 divisors (see below), whose sum is σ = 950685120. Its totient is φ = 204946560.

The previous prime is 520231091. The next prime is 520231133. The reversal of 520231130 is 31132025.

It is a junction number, because it is equal to n+sod(n) for n = 520231099 and 520231108.

It is not an unprimeable number, because it can be changed into a prime (520231133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180662 + ... + 183518.

It is an arithmetic number, because the mean of its divisors is an integer number (29708910).

Almost surely, 2^520231130 is an apocalyptic number.

520231130 is a deficient number, since it is larger than the sum of its proper divisors (430453990).

520231130 is a wasteful number, since it uses less digits than its factorization.

520231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 520231130 is about 22808.5757994663. The cubic root of 520231130 is about 804.2642764219.

Adding to 520231130 its reverse (31132025), we get a palindrome (551363155).

The spelling of 520231130 in words is "five hundred twenty million, two hundred thirty-one thousand, one hundred thirty".