43420140031011 has 16 divisors (see below), whose sum is σ = 58634730432000. Its totient is φ = 28576259588448.

The previous prime is 43420140030887. The next prime is 43420140031057. The reversal of 43420140031011 is 11013004102434.

It is not a de Polignac number, because 43420140031011 - 2³⁰ = 43419066289187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43420140031511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11433561 + ... + 14750138.

It is an arithmetic number, because the mean of its divisors is an integer number (3664670652000).

Almost surely, 2^{43420140031011} is an apocalyptic number.

43420140031011 is a deficient number, since it is larger than the sum of its proper divisors (15214590400989).

43420140031011 is a wasteful number, since it uses less digits than its factorization.

43420140031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26190778.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 43420140031011 its reverse (11013004102434), we get a palindrome (54433144133445).

The spelling of 43420140031011 in words is "forty-three trillion, four hundred twenty billion, one hundred forty million, thirty-one thousand, eleven".