531302012 has 12 divisors (see below), whose sum is σ = 930126120. Its totient is φ = 265551696.

The previous prime is 531301993. The next prime is 531302033. The reversal of 531302012 is 210203135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12062 + ... + 34757.

It is an arithmetic number, because the mean of its divisors is an integer number (77510510).

Almost surely, 2^531302012 is an apocalyptic number.

It is an amenable number.

531302012 is a deficient number, since it is larger than the sum of its proper divisors (398824108).

531302012 is a wasteful number, since it uses less digits than its factorization.

531302012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49660 (or 49658 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 531302012 is about 23049.9894143143. The cubic root of 531302012 is about 809.9293806237.

Adding to 531302012 its reverse (210203135), we get a palindrome (741505147).

The spelling of 531302012 in words is "five hundred thirty-one million, three hundred two thousand, twelve".