531341234242442 has 8 divisors (see below), whose sum is σ = 858320455314756. Its totient is φ = 245234415804192.

The previous prime is 531341234242439. The next prime is 531341234242459. The reversal of 531341234242442 is 244242432143135.

It can be written as a sum of positive squares in 2 ways, for example, as 425253314832241 + 106087919410201 = 20621671^2 + 10299899^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 531341234242393 and 531341234242402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10218100658483 + ... + 10218100658534.

Almost surely, 2^{531341234242442} is an apocalyptic number.

531341234242442 is a deficient number, since it is larger than the sum of its proper divisors (326979221072314).

531341234242442 is a wasteful number, since it uses less digits than its factorization.

531341234242442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20436201317032.

The product of its digits is 2211840, while the sum is 44.

Adding to 531341234242442 its reverse (244242432143135), we get a palindrome (775583666385577).

The spelling of 531341234242442 in words is "five hundred thirty-one trillion, three hundred forty-one billion, two hundred thirty-four million, two hundred forty-two thousand, four hundred forty-two".