43531214205133 has 16 divisors (see below), whose sum is σ = 43665972569856. Its totient is φ = 43396650823680.

The previous prime is 43531214205131. The next prime is 43531214205137. The reversal of 43531214205133 is 33150241213534.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 43531214205133 - 2¹ = 43531214205131 is a prime.

It is a super-2 number, since 2×43531214205133² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43531214205092 and 43531214205101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43531214205131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2754609210 + ... + 2754625012.

It is an arithmetic number, because the mean of its divisors is an integer number (2729123285616).

Almost surely, 2^{43531214205133} is an apocalyptic number.

It is an amenable number.

43531214205133 is a deficient number, since it is larger than the sum of its proper divisors (134758364723).

43531214205133 is a wasteful number, since it uses less digits than its factorization.

43531214205133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21444.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 43531214205133 its reverse (33150241213534), we get a palindrome (76681455418667).

The spelling of 43531214205133 in words is "forty-three trillion, five hundred thirty-one billion, two hundred fourteen million, two hundred five thousand, one hundred thirty-three".