43021044240231 has 4 divisors (see below), whose sum is σ = 57361392320312. Its totient is φ = 28680696160152.

The previous prime is 43021044240173. The next prime is 43021044240233. The reversal of 43021044240231 is 13204244012034.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 43021044240231 - 2¹⁰ = 43021044239207 is a prime.

It is a super-2 number, since 2×43021044240231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43021044240233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7170174040036 + ... + 7170174040041.

It is an arithmetic number, because the mean of its divisors is an integer number (14340348080078).

Almost surely, 2^{43021044240231} is an apocalyptic number.

43021044240231 is a deficient number, since it is larger than the sum of its proper divisors (14340348080081).

43021044240231 is a wasteful number, since it uses less digits than its factorization.

43021044240231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14340348080080.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 43021044240231 its reverse (13204244012034), we get a palindrome (56225288252265).

The spelling of 43021044240231 in words is "forty-three trillion, twenty-one billion, forty-four million, two hundred forty thousand, two hundred thirty-one".