43000431241213 has 4 divisors (see below), whose sum is σ = 43000447096768. Its totient is φ = 43000415385660.

The previous prime is 43000431241211. The next prime is 43000431241219. The reversal of 43000431241213 is 31214213400034.

It is a happy number.

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 43000431241213 - 2¹ = 43000431241211 is a prime.

It is a super-2 number, since 2×43000431241213² (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 (43000431241211) 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, 2718981 + ... + 9664042.

It is an arithmetic number, because the mean of its divisors is an integer number (10750111774192).

Almost surely, 2^{43000431241213} is an apocalyptic number.

It is an amenable number.

43000431241213 is a deficient number, since it is larger than the sum of its proper divisors (15855555).

43000431241213 is a wasteful number, since it uses less digits than its factorization.

43000431241213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15855554.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 43000431241213 its reverse (31214213400034), we get a palindrome (74214644641247).

The spelling of 43000431241213 in words is "forty-three trillion, four hundred thirty-one million, two hundred forty-one thousand, two hundred thirteen".