43044244020131 has 4 divisors (see below), whose sum is σ = 43233866240712. Its totient is φ = 42854621799552.

The previous prime is 43044244020073. The next prime is 43044244020149. The reversal of 43044244020131 is 13102044244034.

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

It is a cyclic number.

It is not a de Polignac number, because 43044244020131 - 2⁶ = 43044244020067 is a prime.

It is a super-2 number, since 2×43044244020131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43044244020161) 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, 94811109950 + ... + 94811110403.

It is an arithmetic number, because the mean of its divisors is an integer number (10808466560178).

Almost surely, 2^{43044244020131} is an apocalyptic number.

43044244020131 is a deficient number, since it is larger than the sum of its proper divisors (189622220581).

43044244020131 is a wasteful number, since it uses less digits than its factorization.

43044244020131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189622220580.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 43044244020131 its reverse (13102044244034), we get a palindrome (56146288264165).

The spelling of 43044244020131 in words is "forty-three trillion, forty-four billion, two hundred forty-four million, twenty thousand, one hundred thirty-one".