531135113 has 8 divisors (see below), whose sum is σ = 563315136. Its totient is φ = 499712400.

The previous prime is 531135107. The next prime is 531135127. The reversal of 531135113 is 311531135.

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 531135113 - 2¹⁴ = 531118729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531135133) 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, 187883 + ... + 190688.

It is an arithmetic number, because the mean of its divisors is an integer number (70414392).

Almost surely, 2^531135113 is an apocalyptic number.

It is an amenable number.

531135113 is a deficient number, since it is larger than the sum of its proper divisors (32180023).

531135113 is a wasteful number, since it uses less digits than its factorization.

531135113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378655.

The product of its digits is 675, while the sum is 23.

The square root of 531135113 is about 23046.3687595248. The cubic root of 531135113 is about 809.8445634780.

Adding to 531135113 its reverse (311531135), we get a palindrome (842666248).

The spelling of 531135113 in words is "five hundred thirty-one million, one hundred thirty-five thousand, one hundred thirteen".