43013531242 has 16 divisors (see below), whose sum is σ = 70390210464. Its totient is φ = 19550374000.

The previous prime is 43013531237. The next prime is 43013531243. The reversal of 43013531242 is 24213531034.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43013531242.

It is not an unprimeable number, because it can be changed into a prime (43013531243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359892 + ... + 464272.

It is an arithmetic number, because the mean of its divisors is an integer number (4399388154).

Almost surely, 2^43013531242 is an apocalyptic number.

43013531242 is a deficient number, since it is larger than the sum of its proper divisors (27376679222).

43013531242 is a wasteful number, since it uses less digits than its factorization.

43013531242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123125.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 43013531242 in words is "forty-three billion, thirteen million, five hundred thirty-one thousand, two hundred forty-two".