43010020313 has 4 divisors (see below), whose sum is σ = 46318483428. Its totient is φ = 39701557200.

The previous prime is 43010020307. The next prime is 43010020351. The reversal of 43010020313 is 31302001034.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26880258304 + 16129762009 = 163952^2 + 127003^2 .

It is a cyclic number.

It is not a de Polignac number, because 43010020313 - 2¹⁰ = 43010019289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43010020291 and 43010020300.

It is not an unprimeable number, because it can be changed into a prime (43010020303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654231538 + ... + 1654231563.

It is an arithmetic number, because the mean of its divisors is an integer number (11579620857).

Almost surely, 2^43010020313 is an apocalyptic number.

It is an amenable number.

43010020313 is a deficient number, since it is larger than the sum of its proper divisors (3308463115).

43010020313 is a wasteful number, since it uses less digits than its factorization.

43010020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308463114.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 43010020313 its reverse (31302001034), we get a palindrome (74312021347).

The spelling of 43010020313 in words is "forty-three billion, ten million, twenty thousand, three hundred thirteen".