43430040311 has 16 divisors (see below), whose sum is σ = 50114385408. Its totient is φ = 36867204000.

The previous prime is 43430040211. The next prime is 43430040341. The reversal of 43430040311 is 11304003434.

It is a cyclic number.

It is not a de Polignac number, because 43430040311 - 2²² = 43425846007 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 (43430040341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287801 + ... + 411933.

It is an arithmetic number, because the mean of its divisors is an integer number (3132149088).

Almost surely, 2^43430040311 is an apocalyptic number.

43430040311 is a deficient number, since it is larger than the sum of its proper divisors (6684345097).

43430040311 is a wasteful number, since it uses less digits than its factorization.

43430040311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124622.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 43430040311 its reverse (11304003434), we get a palindrome (54734043745).

The spelling of 43430040311 in words is "forty-three billion, four hundred thirty million, forty thousand, three hundred eleven".