43020434313 has 40 divisors (see below), whose sum is σ = 64667240000. Its totient is φ = 28501193952.

The previous prime is 43020434309. The next prime is 43020434321. The reversal of 43020434313 is 31343402034.

43020434313 is a `hidden beast` number, since 4 + 302 + 0 + 4 + 343 + 13 = 666.

It is not a de Polignac number, because 43020434313 - 2² = 43020434309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43020434333) 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 39 ways as a sum of consecutive naturals, for example, 24967470 + ... + 24969192.

It is an arithmetic number, because the mean of its divisors is an integer number (1616681000).

Almost surely, 2^43020434313 is an apocalyptic number.

It is an amenable number.

43020434313 is a deficient number, since it is larger than the sum of its proper divisors (21646805687).

43020434313 is a wasteful number, since it uses less digits than its factorization.

43020434313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483 (or 3474 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 43020434313 its reverse (31343402034), we get a palindrome (74363836347).

The spelling of 43020434313 in words is "forty-three billion, twenty million, four hundred thirty-four thousand, three hundred thirteen".