531700022242 has 16 divisors (see below), whose sum is σ = 800587966464. Its totient is φ = 264837600000.

The previous prime is 531700022239. The next prime is 531700022261. The reversal of 531700022242 is 242220007135.

It is a self number, because there is not a number n which added to its sum of digits gives 531700022242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4906242 + ... + 5013442.

It is an arithmetic number, because the mean of its divisors is an integer number (50036747904).

Almost surely, 2^531700022242 is an apocalyptic number.

531700022242 is a deficient number, since it is larger than the sum of its proper divisors (268887944222).

531700022242 is a wasteful number, since it uses less digits than its factorization.

531700022242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116625.

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 531700022242 its reverse (242220007135), we get a palindrome (773920029377).

The spelling of 531700022242 in words is "five hundred thirty-one billion, seven hundred million, twenty-two thousand, two hundred forty-two".