43401344311 has 8 divisors (see below), whose sum is σ = 46747690640. Its totient is φ = 40056109632.

The previous prime is 43401344297. The next prime is 43401344341. The reversal of 43401344311 is 11344310434.

It is a happy number.

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 43401344311 - 2¹³ = 43401336119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43401344311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43401344341) 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, 195921 + ... + 353818.

It is an arithmetic number, because the mean of its divisors is an integer number (5843461330).

Almost surely, 2^43401344311 is an apocalyptic number.

43401344311 is a deficient number, since it is larger than the sum of its proper divisors (3346346329).

43401344311 is a wasteful number, since it uses less digits than its factorization.

43401344311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555825.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 43401344311 its reverse (11344310434), we get a palindrome (54745654745).

The spelling of 43401344311 in words is "forty-three billion, four hundred one million, three hundred forty-four thousand, three hundred eleven".