531342030 has 64 divisors (see below), whose sum is σ = 1346688000. Its totient is φ = 133799040.

The previous prime is 531341999. The next prime is 531342037. The reversal of 531342030 is 30243135.

It is a junction number, because it is equal to n+sod(n) for n = 531341988 and 531342006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531342037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197595 + ... + 200265.

It is an arithmetic number, because the mean of its divisors is an integer number (21042000).

Almost surely, 2^531342030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531342030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673344000).

531342030 is an abundant number, since it is smaller than the sum of its proper divisors (815345970).

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

531342030 is a wasteful number, since it uses less digits than its factorization.

531342030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 531342030 is about 23050.8574677820. The cubic root of 531342030 is about 809.9497149091.

Adding to 531342030 its reverse (30243135), we get a palindrome (561585165).

The spelling of 531342030 in words is "five hundred thirty-one million, three hundred forty-two thousand, thirty".