42343031020 has 24 divisors (see below), whose sum is σ = 93600385200. Its totient is φ = 16045780032.

The previous prime is 42343030967. The next prime is 42343031047. The reversal of 42343031020 is 2013034324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42343030982 and 42343031000.

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, 55714135 + ... + 55714894.

It is an arithmetic number, because the mean of its divisors is an integer number (3900016050).

Almost surely, 2^42343031020 is an apocalyptic number.

It is an amenable number.

42343031020 is an abundant number, since it is smaller than the sum of its proper divisors (51257354180).

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

42343031020 is a wasteful number, since it uses less digits than its factorization.

42343031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111429057 (or 111429055 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 42343031020 its reverse (2013034324), we get a palindrome (44356065344).

The spelling of 42343031020 in words is "forty-two billion, three hundred forty-three million, thirty-one thousand, twenty".