42031883907 has 20 divisors (see below), whose sum is σ = 67618246080. Its totient is φ = 25865774064.

The previous prime is 42031883879. The next prime is 42031883909. The reversal of 42031883907 is 70938813024.

It is not a de Polignac number, because 42031883907 - 2⁶ = 42031883843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42031883909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19957107 + ... + 19959212.

It is an arithmetic number, because the mean of its divisors is an integer number (3380912304).

Almost surely, 2^42031883907 is an apocalyptic number.

42031883907 is a deficient number, since it is larger than the sum of its proper divisors (25586362173).

42031883907 is a wasteful number, since it uses less digits than its factorization.

42031883907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39916344 (or 39916335 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 42031883907 in words is "forty-two billion, thirty-one million, eight hundred eighty-three thousand, nine hundred seven".