531042130 has 16 divisors (see below), whose sum is σ = 981711000. Its totient is φ = 206675712.

The previous prime is 531042119. The next prime is 531042173. The reversal of 531042130 is 31240135.

It can be written as a sum of positive squares in 4 ways, for example, as 530887681 + 154449 = 23041^2 + 393^2 .

It is a junction number, because it is equal to n+sod(n) for n = 531042098 and 531042107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717255 + ... + 717994.

Almost surely, 2^531042130 is an apocalyptic number.

531042130 is a deficient number, since it is larger than the sum of its proper divisors (450668870).

531042130 is a wasteful number, since it uses less digits than its factorization.

531042130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435293.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 531042130 is about 23044.3513686109. The cubic root of 531042130 is about 809.7973023261.

Adding to 531042130 its reverse (31240135), we get a palindrome (562282265).

The spelling of 531042130 in words is "five hundred thirty-one million, forty-two thousand, one hundred thirty".