531332131 has 16 divisors (see below), whose sum is σ = 636675840. Its totient is φ = 437706720.

The previous prime is 531332129. The next prime is 531332149. The reversal of 531332131 is 131233135.

It is a happy number.

It is not a de Polignac number, because 531332131 - 2¹ = 531332129 is a prime.

It is a super-2 number, since 2×531332131² = 564627666866002322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531332101) 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, 50460 + ... + 60073.

It is an arithmetic number, because the mean of its divisors is an integer number (39792240).

Almost surely, 2^531332131 is an apocalyptic number.

531332131 is a deficient number, since it is larger than the sum of its proper divisors (105343709).

531332131 is a wasteful number, since it uses less digits than its factorization.

531332131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110586.

The product of its digits is 810, while the sum is 22.

The square root of 531332131 is about 23050.6427459193. The cubic root of 531332131 is about 809.9446850404.

Adding to 531332131 its reverse (131233135), we get a palindrome (662565266).

The spelling of 531332131 in words is "five hundred thirty-one million, three hundred thirty-two thousand, one hundred thirty-one".