531100000828 has 36 divisors (see below), whose sum is σ = 976946551672. Its totient is φ = 252566233920.

The previous prime is 531100000819. The next prime is 531100000831. The reversal of 531100000828 is 828000001135.

It is a junction number, because it is equal to n+sod(n) for n = 531100000796 and 531100000805.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 952803 + ... + 1403578.

Almost surely, 2^531100000828 is an apocalyptic number.

531100000828 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

531100000828 is a deficient number, since it is larger than the sum of its proper divisors (445846550844).

531100000828 is a wasteful number, since it uses less digits than its factorization.

531100000828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356510 (or 2356479 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The spelling of 531100000828 in words is "five hundred thirty-one billion, one hundred million, eight hundred twenty-eight", and thus it is an aban number.