531234413032344 has 256 divisors, whose sum is σ = 1592166722457600. Its totient is φ = 144521935147008.

The previous prime is 531234413032327. The next prime is 531234413032357. The reversal of 531234413032344 is 443230314432135.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 531234413032296 and 531234413032305.

It is a congruent number.

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, 2970804282 + ... + 2970983094.

It is an arithmetic number, because the mean of its divisors is an integer number (6219401259600).

Almost surely, 2^{531234413032344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531234413032344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796083361228800).

531234413032344 is an abundant number, since it is smaller than the sum of its proper divisors (1060932309425256).

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

531234413032344 is a wasteful number, since it uses less digits than its factorization.

531234413032344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189082 (or 189078 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 42.

Adding to 531234413032344 its reverse (443230314432135), we get a palindrome (974464727464479).

The spelling of 531234413032344 in words is "five hundred thirty-one trillion, two hundred thirty-four billion, four hundred thirteen million, thirty-two thousand, three hundred forty-four".