43021434332113 has 4 divisors (see below), whose sum is σ = 44070737608548. Its totient is φ = 41972131055680.

The previous prime is 43021434332099. The next prime is 43021434332189. The reversal of 43021434332113 is 31123343412034.

43021434332113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16113384165904 + 26908050166209 = 4014148^2 + 5187297^2 .

It is a cyclic number.

It is not a de Polignac number, because 43021434332113 - 2¹³ = 43021434323921 is a prime.

It is a super-2 number, since 2×43021434332113² (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 (43021434332213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524651638156 + ... + 524651638237.

It is an arithmetic number, because the mean of its divisors is an integer number (11017684402137).

Almost surely, 2^{43021434332113} is an apocalyptic number.

It is an amenable number.

43021434332113 is a deficient number, since it is larger than the sum of its proper divisors (1049303276435).

43021434332113 is a wasteful number, since it uses less digits than its factorization.

43021434332113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049303276434.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 43021434332113 its reverse (31123343412034), we get a palindrome (74144777744147).

The spelling of 43021434332113 in words is "forty-three trillion, twenty-one billion, four hundred thirty-four million, three hundred thirty-two thousand, one hundred thirteen".