531244022201 has 8 divisors (see below), whose sum is σ = 541364606784. Its totient is φ = 521127034480.

The previous prime is 531244022123. The next prime is 531244022203. The reversal of 531244022201 is 102220442135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531244022201 is a prime.

It is a super-2 number, since 2×531244022201² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (531244022203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 600071 + ... + 1192716.

It is an arithmetic number, because the mean of its divisors is an integer number (67670575848).

Almost surely, 2^531244022201 is an apocalyptic number.

It is an amenable number.

531244022201 is a deficient number, since it is larger than the sum of its proper divisors (10120584583).

531244022201 is a wasteful number, since it uses less digits than its factorization.

531244022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798431.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 531244022201 its reverse (102220442135), we get a palindrome (633464464336).

The spelling of 531244022201 in words is "five hundred thirty-one billion, two hundred forty-four million, twenty-two thousand, two hundred one".