531034515331242 has 128 divisors (see below), whose sum is σ = 1164948528522240. Its totient is φ = 160387526407680.

The previous prime is 531034515331183. The next prime is 531034515331277. The reversal of 531034515331242 is 242133515430135.

It is a junction number, because it is equal to n+sod(n) for n = 531034515331194 and 531034515331203.

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, 1685222233 + ... + 1685537315.

It is an arithmetic number, because the mean of its divisors is an integer number (9101160379080).

Almost surely, 2^{531034515331242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531034515331242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582474264261120).

531034515331242 is an abundant number, since it is smaller than the sum of its proper divisors (633914013190998).

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

531034515331242 is a wasteful number, since it uses less digits than its factorization.

531034515331242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316308.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 531034515331242 in words is "five hundred thirty-one trillion, thirty-four billion, five hundred fifteen million, three hundred thirty-one thousand, two hundred forty-two".