531432123524 has 6 divisors (see below), whose sum is σ = 930006216174. Its totient is φ = 265716061760.

The previous prime is 531432123511. The next prime is 531432123559. The reversal of 531432123524 is 425321234135.

It can be written as a sum of positive squares in only one way, i.e., 522714540100 + 8717583424 = 722990^2 + 93368^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66429015437 + ... + 66429015444.

It is an arithmetic number, because the mean of its divisors is an integer number (155001036029).

Almost surely, 2^531432123524 is an apocalyptic number.

It is an amenable number.

531432123524 is a deficient number, since it is larger than the sum of its proper divisors (398574092650).

531432123524 is a wasteful number, since it uses less digits than its factorization.

531432123524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132858030885 (or 132858030883 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

Adding to 531432123524 its reverse (425321234135), we get a palindrome (956753357659).

The spelling of 531432123524 in words is "five hundred thirty-one billion, four hundred thirty-two million, one hundred twenty-three thousand, five hundred twenty-four".