506053512131 has 4 divisors (see below), whose sum is σ = 506357085192. Its totient is φ = 505749939072.

The previous prime is 506053512119. The next prime is 506053512179. The reversal of 506053512131 is 131215350605.

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 506053512131 - 2¹⁸ = 506053249987 is a prime.

It is a super-2 number, since 2×506053512131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506053512431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151784030 + ... + 151787363.

It is an arithmetic number, because the mean of its divisors is an integer number (126589271298).

Almost surely, 2^506053512131 is an apocalyptic number.

506053512131 is a deficient number, since it is larger than the sum of its proper divisors (303573061).

506053512131 is a wasteful number, since it uses less digits than its factorization.

506053512131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303573060.

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 506053512131 its reverse (131215350605), we get a palindrome (637268862736).

The spelling of 506053512131 in words is "five hundred six billion, fifty-three million, five hundred twelve thousand, one hundred thirty-one".