531150131 has 4 divisors (see below), whose sum is σ = 537118200. Its totient is φ = 525182064.

The previous prime is 531150127. The next prime is 531150143. The reversal of 531150131 is 131051135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 531150131 - 2² = 531150127 is a prime.

It is a super-2 number, since 2×531150131² = 564240923322634322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531150031) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2983901 + ... + 2984078.

It is an arithmetic number, because the mean of its divisors is an integer number (134279550).

Almost surely, 2^531150131 is an apocalyptic number.

531150131 is a deficient number, since it is larger than the sum of its proper divisors (5968069).

531150131 is an equidigital number, since it uses as much as digits as its factorization.

531150131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5968068.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 531150131 is about 23046.6945786158. The cubic root of 531150131 is about 809.8521962697.

The spelling of 531150131 in words is "five hundred thirty-one million, one hundred fifty thousand, one hundred thirty-one".