531432234135 has 144 divisors (see below), whose sum is σ = 1101043577088. Its totient is φ = 235951626240.

The previous prime is 531432234097. The next prime is 531432234139.

531432234135 is a `hidden beast` number, since 5 + 3 + 14 + 3 + 223 + 413 + 5 = 666.

531432234135 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 531432234135 - 2⁷ = 531432234007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531432234135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531432234139) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3347322 + ... + 3502488.

It is an arithmetic number, because the mean of its divisors is an integer number (7646135952).

Almost surely, 2^531432234135 is an apocalyptic number.

531432234135 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

531432234135 is an abundant number, since it is smaller than the sum of its proper divisors (569611342953).

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

531432234135 is a wasteful number, since it uses less digits than its factorization.

531432234135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155254 (or 155240 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

It can be divided in two parts, 531432 and 234135, that added together give a palindrome (765567).

The spelling of 531432234135 in words is "five hundred thirty-one billion, four hundred thirty-two million, two hundred thirty-four thousand, one hundred thirty-five".