505431313052 has 12 divisors (see below), whose sum is σ = 884536703736. Its totient is φ = 252706540560.

The previous prime is 505431313033. The next prime is 505431313073. The reversal of 505431313052 is 250313134505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2153474 + ... + 2376617.

It is an arithmetic number, because the mean of its divisors is an integer number (73711391978).

Almost surely, 2^505431313052 is an apocalyptic number.

It is an amenable number.

505431313052 is a deficient number, since it is larger than the sum of its proper divisors (379105390684).

505431313052 is a wasteful number, since it uses less digits than its factorization.

505431313052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557988 (or 4557986 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 505431313052 its reverse (250313134505), we get a palindrome (755744447557).

The spelling of 505431313052 in words is "five hundred five billion, four hundred thirty-one million, three hundred thirteen thousand, fifty-two".