43055431532213 has 4 divisors (see below), whose sum is σ = 43473445430688. Its totient is φ = 42637417633740.

The previous prime is 43055431532149. The next prime is 43055431532237. The reversal of 43055431532213 is 31223513455034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43055431532213 - 2⁶ = 43055431532149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43055431535213) 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, 209006949083 + ... + 209006949288.

It is an arithmetic number, because the mean of its divisors is an integer number (10868361357672).

Almost surely, 2^{43055431532213} is an apocalyptic number.

It is an amenable number.

43055431532213 is a deficient number, since it is larger than the sum of its proper divisors (418013898475).

43055431532213 is a wasteful number, since it uses less digits than its factorization.

43055431532213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418013898474.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 43055431532213 its reverse (31223513455034), we get a palindrome (74278944987247).

The spelling of 43055431532213 in words is "forty-three trillion, fifty-five billion, four hundred thirty-one million, five hundred thirty-two thousand, two hundred thirteen".