531680831 has 8 divisors (see below), whose sum is σ = 614134224. Its totient is φ = 454913920.

The previous prime is 531680813. The next prime is 531680833. The reversal of 531680831 is 138086135.

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 531680831 - 2¹⁰ = 531679807 is a prime.

It is a super-2 number, since 2×531680831² = 565369012105701122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 531680791 and 531680800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531680833) 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 7 ways as a sum of consecutive naturals, for example, 1421420 + ... + 1421793.

It is an arithmetic number, because the mean of its divisors is an integer number (76766778).

Almost surely, 2^531680831 is an apocalyptic number.

531680831 is a deficient number, since it is larger than the sum of its proper divisors (82453393).

531680831 is a wasteful number, since it uses less digits than its factorization.

531680831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843241.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 531680831 is about 23058.2052857546. The cubic root of 531680831 is about 810.1218284467.

The spelling of 531680831 in words is "five hundred thirty-one million, six hundred eighty thousand, eight hundred thirty-one".