43312121314058 has 4 divisors (see below), whose sum is σ = 64968181971090. Its totient is φ = 21656060657028.

The previous prime is 43312121314057. The next prime is 43312121314087. The reversal of 43312121314058 is 85041312121334.

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

It can be written as a sum of positive squares in only one way, i.e., 28550673218089 + 14761448095969 = 5343283^2 + 3842063^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43312121314057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10828030328513 + ... + 10828030328516.

Almost surely, 2^{43312121314058} is an apocalyptic number.

43312121314058 is a deficient number, since it is larger than the sum of its proper divisors (21656060657032).

43312121314058 is a wasteful number, since it uses less digits than its factorization.

43312121314058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21656060657031.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 43312121314058 in words is "forty-three trillion, three hundred twelve billion, one hundred twenty-one million, three hundred fourteen thousand, fifty-eight".