43242030331121 has 4 divisors (see below), whose sum is σ = 43242690792000. Its totient is φ = 43241369870244.

The previous prime is 43242030331109. The next prime is 43242030331177. The reversal of 43242030331121 is 12113303024234.

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 a de Polignac number, because none of the positive numbers 2^k-43242030331121 is a prime.

It is a super-2 number, since 2×43242030331121² (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 (43242030331321) 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, 330132221 + ... + 330263178.

It is an arithmetic number, because the mean of its divisors is an integer number (10810672698000).

Almost surely, 2^{43242030331121} is an apocalyptic number.

It is an amenable number.

43242030331121 is a deficient number, since it is larger than the sum of its proper divisors (660460879).

43242030331121 is an equidigital number, since it uses as much as digits as its factorization.

43242030331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660460878.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 43242030331121 its reverse (12113303024234), we get a palindrome (55355333355355).

The spelling of 43242030331121 in words is "forty-three trillion, two hundred forty-two billion, thirty million, three hundred thirty-one thousand, one hundred twenty-one".