531050313 has 16 divisors (see below), whose sum is σ = 712941120. Its totient is φ = 351605184.

The previous prime is 531050293. The next prime is 531050341. The reversal of 531050313 is 313050135.

It is a happy number.

It is not a de Polignac number, because 531050313 - 2⁵ = 531050281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531050313.

It is not an unprimeable number, because it can be changed into a prime (531050363) 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, 386095 + ... + 387467.

It is an arithmetic number, because the mean of its divisors is an integer number (44558820).

Almost surely, 2^531050313 is an apocalyptic number.

It is an amenable number.

531050313 is a deficient number, since it is larger than the sum of its proper divisors (181890807).

531050313 is a wasteful number, since it uses less digits than its factorization.

531050313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 531050313 is about 23044.5289168601. The cubic root of 531050313 is about 809.8014617810.

The spelling of 531050313 in words is "five hundred thirty-one million, fifty thousand, three hundred thirteen".