520110533431 has 4 divisors (see below), whose sum is σ = 520304101632. Its totient is φ = 519916965232.

The previous prime is 520110533389. The next prime is 520110533477. The reversal of 520110533431 is 134335011025.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 520110533431 - 2¹⁷ = 520110402359 is a prime.

It is a super-2 number, since 2×520110533431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520110533431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520110533491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96780070 + ... + 96785443.

It is an arithmetic number, because the mean of its divisors is an integer number (130076025408).

Almost surely, 2^520110533431 is an apocalyptic number.

520110533431 is a deficient number, since it is larger than the sum of its proper divisors (193568201).

520110533431 is a wasteful number, since it uses less digits than its factorization.

520110533431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193568200.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 520110533431 its reverse (134335011025), we get a palindrome (654445544456).

The spelling of 520110533431 in words is "five hundred twenty billion, one hundred ten million, five hundred thirty-three thousand, four hundred thirty-one".