43314633121 has 4 divisors (see below), whose sum is σ = 43368981012. Its totient is φ = 43260285232.

The previous prime is 43314633097. The next prime is 43314633139. The reversal of 43314633121 is 12133641334.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12133641334 = 2 ⋅6066820667.

It can be written as a sum of positive squares in 2 ways, for example, as 33439242496 + 9875390625 = 182864^2 + 99375^2 .

It is a cyclic number.

It is not a de Polignac number, because 43314633121 - 2¹³ = 43314624929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43314633191) 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, 27172750 + ... + 27174343.

It is an arithmetic number, because the mean of its divisors is an integer number (10842245253).

Almost surely, 2^43314633121 is an apocalyptic number.

It is an amenable number.

43314633121 is a deficient number, since it is larger than the sum of its proper divisors (54347891).

43314633121 is an equidigital number, since it uses as much as digits as its factorization.

43314633121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54347890.

The product of its digits is 15552, while the sum is 31.

The spelling of 43314633121 in words is "forty-three billion, three hundred fourteen million, six hundred thirty-three thousand, one hundred twenty-one".