531047505316 has 12 divisors (see below), whose sum is σ = 983999789388. Its totient is φ = 249904708352.

The previous prime is 531047505293. The next prime is 531047505361. The reversal of 531047505316 is 613505740135.

It can be written as a sum of positive squares in 2 ways, for example, as 413261265316 + 117786240000 = 642854^2 + 343200^2 .

It is a super-2 number, since 2×531047505316² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3904761001 + ... + 3904761136.

It is an arithmetic number, because the mean of its divisors is an integer number (81999982449).

Almost surely, 2^531047505316 is an apocalyptic number.

It is an amenable number.

531047505316 is a deficient number, since it is larger than the sum of its proper divisors (452952284072).

531047505316 is a wasteful number, since it uses less digits than its factorization.

531047505316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7809522158 (or 7809522156 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 531047505316 in words is "five hundred thirty-one billion, forty-seven million, five hundred five thousand, three hundred sixteen".