531220330150231 has 8 divisors (see below), whose sum is σ = 559189477884800. Its totient is φ = 503252200714680.

The previous prime is 531220330150229. The next prime is 531220330150253. The reversal of 531220330150231 is 132051033022135.

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 531220330150231 - 2¹ = 531220330150229 is a prime.

It is a super-2 number, since 2×531220330150231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531220330150193 and 531220330150202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531220330150271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253503825 + ... + 255590746.

It is an arithmetic number, because the mean of its divisors is an integer number (69898684735600).

Almost surely, 2^{531220330150231} is an apocalyptic number.

531220330150231 is a deficient number, since it is larger than the sum of its proper divisors (27969147734569).

531220330150231 is a wasteful number, since it uses less digits than its factorization.

531220330150231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509149509.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 531220330150231 its reverse (132051033022135), we get a palindrome (663271363172366).

The spelling of 531220330150231 in words is "five hundred thirty-one trillion, two hundred twenty billion, three hundred thirty million, one hundred fifty thousand, two hundred thirty-one".