42031154312 has 32 divisors (see below), whose sum is σ = 91206854400. Its totient is φ = 17785332864.

The previous prime is 42031154311. The next prime is 42031154327. The reversal of 42031154312 is 21345113024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42031154311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4745933 + ... + 4754780.

It is an arithmetic number, because the mean of its divisors is an integer number (2850214200).

Almost surely, 2^42031154312 is an apocalyptic number.

It is an amenable number.

42031154312 is an abundant number, since it is smaller than the sum of its proper divisors (49175700088).

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

42031154312 is a wasteful number, since it uses less digits than its factorization.

42031154312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9500805 (or 9500801 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 42031154312 its reverse (21345113024), we get a palindrome (63376267336).

The spelling of 42031154312 in words is "forty-two billion, thirty-one million, one hundred fifty-four thousand, three hundred twelve".