42103434011 has 4 divisors (see below), whose sum is σ = 42247132032. Its totient is φ = 41959735992.

The previous prime is 42103434007. The next prime is 42103434049. The reversal of 42103434011 is 11043430124.

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 42103434011 - 2² = 42103434007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42103434071) 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, 71848571 + ... + 71849156.

It is an arithmetic number, because the mean of its divisors is an integer number (10561783008).

Almost surely, 2^42103434011 is an apocalyptic number.

42103434011 is a deficient number, since it is larger than the sum of its proper divisors (143698021).

42103434011 is a wasteful number, since it uses less digits than its factorization.

42103434011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143698020.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 42103434011 its reverse (11043430124), we get a palindrome (53146864135).

The spelling of 42103434011 in words is "forty-two billion, one hundred three million, four hundred thirty-four thousand, eleven".