505525130131 has 8 divisors (see below), whose sum is σ = 597665178720. Its totient is φ = 418365624768.

The previous prime is 505525130101. The next prime is 505525130233. The reversal of 505525130131 is 131031525505.

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

It is not a de Polignac number, because 505525130131 - 2⁹ = 505525129619 is a prime.

It is a super-2 number, since 2×505525130131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505525130093 and 505525130102.

It is not an unprimeable number, because it can be changed into a prime (505525130101) 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, 1245135586 + ... + 1245135991.

It is an arithmetic number, because the mean of its divisors is an integer number (74708147340).

Almost surely, 2^505525130131 is an apocalyptic number.

505525130131 is a deficient number, since it is larger than the sum of its proper divisors (92140048589).

505525130131 is a wasteful number, since it uses less digits than its factorization.

505525130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490271613.

The product of its (nonzero) digits is 11250, while the sum is 31.

Adding to 505525130131 its reverse (131031525505), we get a palindrome (636556655636).

The spelling of 505525130131 in words is "five hundred five billion, five hundred twenty-five million, one hundred thirty thousand, one hundred thirty-one".