531031452 has 48 divisors (see below), whose sum is σ = 1477658112. Its totient is φ = 145126080.

The previous prime is 531031451. The next prime is 531031469. The reversal of 531031452 is 254130135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531031451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135499 + ... + 139362.

It is an arithmetic number, because the mean of its divisors is an integer number (30784544).

Almost surely, 2^531031452 is an apocalyptic number.

It is an amenable number.

531031452 is an abundant number, since it is smaller than the sum of its proper divisors (946626660).

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

531031452 is a wasteful number, since it uses less digits than its factorization.

531031452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274898 (or 274896 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 531031452 is about 23044.1196837718. The cubic root of 531031452 is about 809.7918745876.

Adding to 531031452 its reverse (254130135), we get a palindrome (785161587).

The spelling of 531031452 in words is "five hundred thirty-one million, thirty-one thousand, four hundred fifty-two".