2531223005205 has 8 divisors (see below), whose sum is σ = 4049956808352. Its totient is φ = 1349985602768.

The previous prime is 2531223005183. The next prime is 2531223005237. The reversal of 2531223005205 is 5025003221352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2531223005205 - 2¹⁵ = 2531222972437 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 84374100159 + ... + 84374100188.

It is an arithmetic number, because the mean of its divisors is an integer number (506244601044).

Almost surely, 2^{2531223005205} is an apocalyptic number.

It is an amenable number.

2531223005205 is a deficient number, since it is larger than the sum of its proper divisors (1518733803147).

2531223005205 is a wasteful number, since it uses less digits than its factorization.

2531223005205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168748200355.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 2531223005205 its reverse (5025003221352), we get a palindrome (7556226226557).

The spelling of 2531223005205 in words is "two trillion, five hundred thirty-one billion, two hundred twenty-three million, five thousand, two hundred five".