42431387075 has 36 divisors (see below), whose sum is σ = 66769233192. Its totient is φ = 26450726400.

The previous prime is 42431387071. The next prime is 42431387087. The reversal of 42431387075 is 57078313424.

42431387075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42431387075 - 2² = 42431387071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42431387071) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1560974 + ... + 1587923.

It is an arithmetic number, because the mean of its divisors is an integer number (1854700922).

Almost surely, 2^42431387075 is an apocalyptic number.

42431387075 is a deficient number, since it is larger than the sum of its proper divisors (24337846117).

42431387075 is a wasteful number, since it uses less digits than its factorization.

42431387075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148932 (or 3148920 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 42431387075 in words is "forty-two billion, four hundred thirty-one million, three hundred eighty-seven thousand, seventy-five".