42331321109 has 12 divisors (see below), whose sum is σ = 53176536672. Its totient is φ = 32985444360.

The previous prime is 42331321051. The next prime is 42331321139. The reversal of 42331321109 is 90112313324.

42331321109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-42331321109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42331321139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24988127 + ... + 24989820.

It is an arithmetic number, because the mean of its divisors is an integer number (4431378056).

Almost surely, 2^42331321109 is an apocalyptic number.

It is an amenable number.

42331321109 is a deficient number, since it is larger than the sum of its proper divisors (10845215563).

42331321109 is a wasteful number, since it uses less digits than its factorization.

42331321109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49977976 (or 49977965 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 42331321109 in words is "forty-two billion, three hundred thirty-one million, three hundred twenty-one thousand, one hundred nine".