520360404231 has 16 divisors (see below), whose sum is σ = 734648914944. Its totient is φ = 326490662784.

The previous prime is 520360404229. The next prime is 520360404241. The reversal of 520360404231 is 132404063025.

It is not a de Polignac number, because 520360404231 - 2¹ = 520360404229 is a prime.

It is a super-2 number, since 2×520360404231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520360404241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1755850 + ... + 2030696.

It is an arithmetic number, because the mean of its divisors is an integer number (45915557184).

Almost surely, 2^520360404231 is an apocalyptic number.

520360404231 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

520360404231 is a deficient number, since it is larger than the sum of its proper divisors (214288510713).

520360404231 is a wasteful number, since it uses less digits than its factorization.

520360404231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311990.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 520360404231 its reverse (132404063025), we get a palindrome (652764467256).

The spelling of 520360404231 in words is "five hundred twenty billion, three hundred sixty million, four hundred four thousand, two hundred thirty-one".