502730642131 has 2 divisors, whose sum is σ = 502730642132. Its totient is φ = 502730642130.

The previous prime is 502730642077. The next prime is 502730642143. The reversal of 502730642131 is 131246037205.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 502730642131 - 2⁷ = 502730642003 is a prime.

It is a super-2 number, since 2×502730642131² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (502730642731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251365321065 + 251365321066.

It is an arithmetic number, because the mean of its divisors is an integer number (251365321066).

Almost surely, 2^502730642131 is an apocalyptic number.

502730642131 is a deficient number, since it is larger than the sum of its proper divisors (1).

502730642131 is an equidigital number, since it uses as much as digits as its factorization.

502730642131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 502730642131 its reverse (131246037205), we get a palindrome (633976679336).

The spelling of 502730642131 in words is "five hundred two billion, seven hundred thirty million, six hundred forty-two thousand, one hundred thirty-one".