531315124 has 12 divisors (see below), whose sum is σ = 945044548. Its totient is φ = 261302400.

The previous prime is 531315101. The next prime is 531315133. The reversal of 531315124 is 421513135.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 247055524 + 284259600 = 15718^2 + 16860^2 .

It is a super-2 number, since 2×531315124² = 564591521982270752, which contains 22 as substring.

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, 1088517 + ... + 1089004.

Almost surely, 2^531315124 is an apocalyptic number.

It is an amenable number.

531315124 is a deficient number, since it is larger than the sum of its proper divisors (413729424).

531315124 is a wasteful number, since it uses less digits than its factorization.

531315124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177586 (or 2177584 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 531315124 is about 23050.2738378528. The cubic root of 531315124 is about 809.9360433168.

Adding to 531315124 its reverse (421513135), we get a palindrome (952828259).

The spelling of 531315124 in words is "five hundred thirty-one million, three hundred fifteen thousand, one hundred twenty-four".