531234201201242 has 32 divisors (see below), whose sum is σ = 993635222083200. Its totient is φ = 206941390274880.

The previous prime is 531234201201241. The next prime is 531234201201259. The reversal of 531234201201242 is 242102102432135.

It is a junction number, because it is equal to n+sod(n) for n = 531234201201199 and 531234201201208.

It is not an unprimeable number, because it can be changed into a prime (531234201201241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273812117 + ... + 275745432.

It is an arithmetic number, because the mean of its divisors is an integer number (31051100690100).

Almost surely, 2^{531234201201242} is an apocalyptic number.

531234201201242 is a deficient number, since it is larger than the sum of its proper divisors (462401020881958).

531234201201242 is a wasteful number, since it uses less digits than its factorization.

531234201201242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549563846.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 531234201201242 its reverse (242102102432135), we get a palindrome (773336303633377).

The spelling of 531234201201242 in words is "five hundred thirty-one trillion, two hundred thirty-four billion, two hundred one million, two hundred one thousand, two hundred forty-two".