506131603143 has 4 divisors (see below), whose sum is σ = 674842137528. Its totient is φ = 337421068760.

The previous prime is 506131603123. The next prime is 506131603181. The reversal of 506131603143 is 341306131605.

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 506131603143 - 2⁹ = 506131602631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506131603123) 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, 84355267188 + ... + 84355267193.

It is an arithmetic number, because the mean of its divisors is an integer number (168710534382).

Almost surely, 2^506131603143 is an apocalyptic number.

506131603143 is a deficient number, since it is larger than the sum of its proper divisors (168710534385).

506131603143 is a wasteful number, since it uses less digits than its factorization.

506131603143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168710534384.

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 506131603143 its reverse (341306131605), we get a palindrome (847437734748).

The spelling of 506131603143 in words is "five hundred six billion, one hundred thirty-one million, six hundred three thousand, one hundred forty-three".