42034431211 has 4 divisors (see below), whose sum is σ = 42055418952. Its totient is φ = 42013443472.

The previous prime is 42034431209. The next prime is 42034431239. The reversal of 42034431211 is 11213443024.

42034431211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42034431211 - 2¹ = 42034431209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42034431511) 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, 10490866 + ... + 10494871.

It is an arithmetic number, because the mean of its divisors is an integer number (10513854738).

Almost surely, 2^42034431211 is an apocalyptic number.

42034431211 is a deficient number, since it is larger than the sum of its proper divisors (20987741).

42034431211 is a wasteful number, since it uses less digits than its factorization.

42034431211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20987740.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 42034431211 its reverse (11213443024), we get a palindrome (53247874235).

The spelling of 42034431211 in words is "forty-two billion, thirty-four million, four hundred thirty-one thousand, two hundred eleven".