531243513104 has 40 divisors (see below), whose sum is σ = 1074099681792. Its totient is φ = 254057872640.

The previous prime is 531243513079. The next prime is 531243513107. The reversal of 531243513104 is 401315342135.

It is a super-3 number, since 3×531243513104³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (531243513107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8411564 + ... + 8474484.

Almost surely, 2^531243513104 is an apocalyptic number.

It is an amenable number.

531243513104 is an abundant number, since it is smaller than the sum of its proper divisors (542856168688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531243513104 is a wasteful number, since it uses less digits than its factorization.

531243513104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85895 (or 85889 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 531243513104 its reverse (401315342135), we get a palindrome (932558855239).

The spelling of 531243513104 in words is "five hundred thirty-one billion, two hundred forty-three million, five hundred thirteen thousand, one hundred four".