531134343432 has 192 divisors, whose sum is σ = 1887832627200. Its totient is φ = 130696053120.

The previous prime is 531134343409. The next prime is 531134343449. The reversal of 531134343432 is 234343431135.

531134343432 is a `hidden beast` number, since 53 + 1 + 134 + 3 + 43 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2415808 + ... + 2626479.

It is an arithmetic number, because the mean of its divisors is an integer number (9832461600).

Almost surely, 2^531134343432 is an apocalyptic number.

It is an amenable number.

531134343432 is an abundant number, since it is smaller than the sum of its proper divisors (1356698283768).

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

531134343432 is a wasteful number, since it uses less digits than its factorization.

531134343432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042336 (or 5042329 counting only the distinct ones).

The product of its digits is 155520, while the sum is 36.

Adding to 531134343432 its reverse (234343431135), we get a palindrome (765477774567).

The spelling of 531134343432 in words is "five hundred thirty-one billion, one hundred thirty-four million, three hundred forty-three thousand, four hundred thirty-two".