43116505313 has 4 divisors (see below), whose sum is σ = 49276006080. Its totient is φ = 36957004548.

The previous prime is 43116505303. The next prime is 43116505337. The reversal of 43116505313 is 31350561134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43116505313 - 2¹⁶ = 43116439777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43116505313.

It is not an unprimeable number, because it can be changed into a prime (43116505303) 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, 3079750373 + ... + 3079750386.

It is an arithmetic number, because the mean of its divisors is an integer number (12319001520).

Almost surely, 2^43116505313 is an apocalyptic number.

It is an amenable number.

43116505313 is a deficient number, since it is larger than the sum of its proper divisors (6159500767).

43116505313 is an equidigital number, since it uses as much as digits as its factorization.

43116505313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159500766.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 43116505313 in words is "forty-three billion, one hundred sixteen million, five hundred five thousand, three hundred thirteen".