43312121314043 has 4 divisors (see below), whose sum is σ = 43312591459488. Its totient is φ = 43311651168600.

The previous prime is 43312121314037. The next prime is 43312121314057. The reversal of 43312121314043 is 34041312121334.

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 43312121314043 - 2⁴ = 43312121314027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43312121314003) 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, 234934508 + ... + 235118793.

It is an arithmetic number, because the mean of its divisors is an integer number (10828147864872).

Almost surely, 2^{43312121314043} is an apocalyptic number.

43312121314043 is a deficient number, since it is larger than the sum of its proper divisors (470145445).

43312121314043 is an equidigital number, since it uses as much as digits as its factorization.

43312121314043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470145444.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 43312121314043 its reverse (34041312121334), we get a palindrome (77353433435377).

The spelling of 43312121314043 in words is "forty-three trillion, three hundred twelve billion, one hundred twenty-one million, three hundred fourteen thousand, forty-three".