42431143032 has 80 divisors (see below), whose sum is σ = 119379839040. Its totient is φ = 14080241664.

The previous prime is 42431143031. The next prime is 42431143037. The reversal of 42431143032 is 23034113424.

42431143032 is a `hidden beast` number, since 4 + 243 + 114 + 303 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42431142987 and 42431143005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42431143031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2313 + ... + 291320.

It is an arithmetic number, because the mean of its divisors is an integer number (1492247988).

Almost surely, 2^42431143032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42431143032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59689919520).

42431143032 is an abundant number, since it is smaller than the sum of its proper divisors (76948696008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42431143032 is a wasteful number, since it uses less digits than its factorization.

42431143032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293874 (or 293861 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 42431143032 its reverse (23034113424), we get a palindrome (65465256456).

The spelling of 42431143032 in words is "forty-two billion, four hundred thirty-one million, one hundred forty-three thousand, thirty-two".