531428070305 has 32 divisors (see below), whose sum is σ = 704200089600. Its totient is φ = 381765746880.

The previous prime is 531428070269. The next prime is 531428070323. The reversal of 531428070305 is 503070824135.

It is not a de Polignac number, because 531428070305 - 2¹⁸ = 531427808161 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47027546 + ... + 47038844.

It is an arithmetic number, because the mean of its divisors is an integer number (22006252800).

Almost surely, 2^531428070305 is an apocalyptic number.

531428070305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

531428070305 is a deficient number, since it is larger than the sum of its proper divisors (172772019295).

531428070305 is a wasteful number, since it uses less digits than its factorization.

531428070305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21701.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 531428070305 in words is "five hundred thirty-one billion, four hundred twenty-eight million, seventy thousand, three hundred five".