505133025031 has 2 divisors, whose sum is σ = 505133025032. Its totient is φ = 505133025030.

The previous prime is 505133025011. The next prime is 505133025073. The reversal of 505133025031 is 130520331505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505133025031 - 2⁹ = 505133024519 is a prime.

It is a super-2 number, since 2×505133025031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505133025011) 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, 252566512515 + 252566512516.

It is an arithmetic number, because the mean of its divisors is an integer number (252566512516).

Almost surely, 2^505133025031 is an apocalyptic number.

505133025031 is a deficient number, since it is larger than the sum of its proper divisors (1).

505133025031 is an equidigital number, since it uses as much as digits as its factorization.

505133025031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 28.

Adding to 505133025031 its reverse (130520331505), we get a palindrome (635653356536).

The spelling of 505133025031 in words is "five hundred five billion, one hundred thirty-three million, twenty-five thousand, thirty-one".