520100431 has 16 divisors (see below), whose sum is σ = 562256640. Its totient is φ = 479318400.

The previous prime is 520100417. The next prime is 520100459. The reversal of 520100431 is 134001025.

It is not a de Polignac number, because 520100431 - 2⁹ = 520099919 is a prime.

It is a super-2 number, since 2×520100431² = 541008916652771522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520100461) 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, 202606 + ... + 205156.

It is an arithmetic number, because the mean of its divisors is an integer number (35141040).

Almost surely, 2^520100431 is an apocalyptic number.

520100431 is a deficient number, since it is larger than the sum of its proper divisors (42156209).

520100431 is a wasteful number, since it uses less digits than its factorization.

520100431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 520100431 is about 22805.7104910152. The cubic root of 520100431 is about 804.1969183223.

Adding to 520100431 its reverse (134001025), we get a palindrome (654101456).

The spelling of 520100431 in words is "five hundred twenty million, one hundred thousand, four hundred thirty-one".