42340311031111 has 4 divisors (see below), whose sum is σ = 43241168712672. Its totient is φ = 41439453349552.

The previous prime is 42340311031103. The next prime is 42340311031133. The reversal of 42340311031111 is 11113011304324.

42340311031111 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 42340311031111 - 2³ = 42340311031103 is a prime.

It is a super-2 number, since 2×42340311031111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340312031111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450428840710 + ... + 450428840803.

It is an arithmetic number, because the mean of its divisors is an integer number (10810292178168).

Almost surely, 2^{42340311031111} is an apocalyptic number.

42340311031111 is a deficient number, since it is larger than the sum of its proper divisors (900857681561).

42340311031111 is an equidigital number, since it uses as much as digits as its factorization.

42340311031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900857681560.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 42340311031111 its reverse (11113011304324), we get a palindrome (53453322335435).

The spelling of 42340311031111 in words is "forty-two trillion, three hundred forty billion, three hundred eleven million, thirty-one thousand, one hundred eleven".