531031346 has 16 divisors (see below), whose sum is σ = 854960184. Its totient is φ = 246472704.

The previous prime is 531031331. The next prime is 531031357. The reversal of 531031346 is 643130135.

It can be written as a sum of positive squares in 4 ways, for example, as 436183225 + 94848121 = 20885^2 + 9739^2 .

It is a Curzon number.

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, 104495 + ... + 109458.

Almost surely, 2^531031346 is an apocalyptic number.

531031346 is a deficient number, since it is larger than the sum of its proper divisors (323928838).

531031346 is a wasteful number, since it uses less digits than its factorization.

531031346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214045.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 531031346 is about 23044.1173838357. The cubic root of 531031346 is about 809.7918207063.

The spelling of 531031346 in words is "five hundred thirty-one million, thirty-one thousand, three hundred forty-six".