520231103 has 8 divisors (see below), whose sum is σ = 600437280. Its totient is φ = 441496800.

The previous prime is 520231091. The next prime is 520231133. The reversal of 520231103 is 301132025.

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

It is a cyclic number.

It is not a de Polignac number, because 520231103 - 2⁸ = 520230847 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367208 + ... + 368621.

It is an arithmetic number, because the mean of its divisors is an integer number (75054660).

Almost surely, 2^520231103 is an apocalyptic number.

520231103 is a deficient number, since it is larger than the sum of its proper divisors (80206177).

520231103 is a wasteful number, since it uses less digits than its factorization.

520231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735937.

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

The square root of 520231103 is about 22808.5752075837. The cubic root of 520231103 is about 804.2642625081.

Adding to 520231103 its reverse (301132025), we get a palindrome (821363128).

The spelling of 520231103 in words is "five hundred twenty million, two hundred thirty-one thousand, one hundred three".