42043131318 has 16 divisors (see below), whose sum is σ = 84298071600. Its totient is φ = 13979075616.

The previous prime is 42043131293. The next prime is 42043131349. The reversal of 42043131318 is 81313134024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8822793 + ... + 8827556.

It is an arithmetic number, because the mean of its divisors is an integer number (5268629475).

Almost surely, 2^42043131318 is an apocalyptic number.

42043131318 is an abundant number, since it is smaller than the sum of its proper divisors (42254940282).

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

42043131318 is a wasteful number, since it uses less digits than its factorization.

42043131318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17650751.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 42043131318 in words is "forty-two billion, forty-three million, one hundred thirty-one thousand, three hundred eighteen".