506106031031 has 4 divisors (see below), whose sum is σ = 522432032064. Its totient is φ = 489780030000.

The previous prime is 506106031021. The next prime is 506106031033. The reversal of 506106031031 is 130130601605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130130601605 = 5 ⋅26026120321.

It is a cyclic number.

It is not a de Polignac number, because 506106031031 - 2⁶ = 506106030967 is a prime.

It is a super-2 number, since 2×506106031031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506106031033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8163000470 + ... + 8163000531.

It is an arithmetic number, because the mean of its divisors is an integer number (130608008016).

Almost surely, 2^506106031031 is an apocalyptic number.

506106031031 is a deficient number, since it is larger than the sum of its proper divisors (16326001033).

506106031031 is a wasteful number, since it uses less digits than its factorization.

506106031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16326001032.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 506106031031 its reverse (130130601605), we get a palindrome (636236632636).

The spelling of 506106031031 in words is "five hundred six billion, one hundred six million, thirty-one thousand, thirty-one".