531034142330442 has 128 divisors (see below), whose sum is σ = 1173718489708800. Its totient is φ = 159480126259200.

The previous prime is 531034142330413. The next prime is 531034142330477. The reversal of 531034142330442 is 244033241430135.

It is a self number, because there is not a number n which added to its sum of digits gives 531034142330442.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 101791909 + ... + 106881527.

It is an arithmetic number, because the mean of its divisors is an integer number (9169675700850).

Almost surely, 2^{531034142330442} is an apocalyptic number.

531034142330442 is an abundant number, since it is smaller than the sum of its proper divisors (642684347378358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531034142330442 is a wasteful number, since it uses less digits than its factorization.

531034142330442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090152.

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 531034142330442 its reverse (244033241430135), we get a palindrome (775067383760577).

The spelling of 531034142330442 in words is "five hundred thirty-one trillion, thirty-four billion, one hundred forty-two million, three hundred thirty thousand, four hundred forty-two".