43311320413 has 8 divisors (see below), whose sum is σ = 43660505088. Its totient is φ = 42962263344.

The previous prime is 43311320383. The next prime is 43311320417. The reversal of 43311320413 is 31402311334.

43311320413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43311320413 - 2⁹ = 43311319901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43311320417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720795 + ... + 778567.

It is an arithmetic number, because the mean of its divisors is an integer number (5457563136).

Almost surely, 2^43311320413 is an apocalyptic number.

It is an amenable number.

43311320413 is a deficient number, since it is larger than the sum of its proper divisors (349184675).

43311320413 is a wasteful number, since it uses less digits than its factorization.

43311320413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63803.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 43311320413 its reverse (31402311334), we get a palindrome (74713631747).

The spelling of 43311320413 in words is "forty-three billion, three hundred eleven million, three hundred twenty thousand, four hundred thirteen".