100520463231 has 12 divisors (see below), whose sum is σ = 147185215008. Its totient is φ = 66095646624.

The previous prime is 100520463209. The next prime is 100520463287. The reversal of 100520463231 is 132364025001.

100520463231 is a `hidden beast` number, since 1 + 0 + 0 + 5 + 20 + 4 + 632 + 3 + 1 = 666.

It is not a de Polignac number, because 100520463231 - 2⁷ = 100520463103 is a prime.

It is a super-2 number, since 2×100520463231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100520463195 and 100520463204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100520463331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76498935 + ... + 76500248.

It is an arithmetic number, because the mean of its divisors is an integer number (12265434584).

Almost surely, 2^100520463231 is an apocalyptic number.

100520463231 is a deficient number, since it is larger than the sum of its proper divisors (46664751777).

100520463231 is a wasteful number, since it uses less digits than its factorization.

100520463231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152999262 (or 152999259 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 100520463231 its reverse (132364025001), we get a palindrome (232884488232).

The spelling of 100520463231 in words is "one hundred billion, five hundred twenty million, four hundred sixty-three thousand, two hundred thirty-one".