531131227 has 8 divisors (see below), whose sum is σ = 592891200. Its totient is φ = 471617160.

The previous prime is 531131207. The next prime is 531131231. The reversal of 531131227 is 722131135.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531131227 - 2²⁷ = 396913499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531131207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560977 + ... + 561922.

It is an arithmetic number, because the mean of its divisors is an integer number (74111400).

Almost surely, 2^531131227 is an apocalyptic number.

531131227 is a deficient number, since it is larger than the sum of its proper divisors (61759973).

531131227 is a wasteful number, since it uses less digits than its factorization.

531131227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122953.

The product of its digits is 1260, while the sum is 25.

The square root of 531131227 is about 23046.2844510780. The cubic root of 531131227 is about 809.8425884227.

The spelling of 531131227 in words is "five hundred thirty-one million, one hundred thirty-one thousand, two hundred twenty-seven".