42331118801 has 2 divisors, whose sum is σ = 42331118802. Its totient is φ = 42331118800.

The previous prime is 42331118773. The next prime is 42331118803. The reversal of 42331118801 is 10881113324.

42331118801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39267385600 + 3063733201 = 198160^2 + 55351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42331118801 is a prime.

It is a Sophie Germain prime.

Together with 42331118803, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (42331118803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21165559400 + 21165559401.

It is an arithmetic number, because the mean of its divisors is an integer number (21165559401).

Almost surely, 2^42331118801 is an apocalyptic number.

It is an amenable number.

42331118801 is a deficient number, since it is larger than the sum of its proper divisors (1).

42331118801 is an equidigital number, since it uses as much as digits as its factorization.

42331118801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 42331118801 in words is "forty-two billion, three hundred thirty-one million, one hundred eighteen thousand, eight hundred one".