531134071 has 4 divisors (see below), whose sum is σ = 571990552. Its totient is φ = 490277592.

The previous prime is 531134069. The next prime is 531134081. The reversal of 531134071 is 170431135.

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 531134071 - 2¹ = 531134069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531134081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20428221 + ... + 20428246.

It is an arithmetic number, because the mean of its divisors is an integer number (142997638).

Almost surely, 2^531134071 is an apocalyptic number.

531134071 is a deficient number, since it is larger than the sum of its proper divisors (40856481).

531134071 is a wasteful number, since it uses less digits than its factorization.

531134071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40856480.

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

The square root of 531134071 is about 23046.3461529154. The cubic root of 531134071 is about 809.8440338836.

The spelling of 531134071 in words is "five hundred thirty-one million, one hundred thirty-four thousand, seventy-one".