42031122003420 has 96 divisors (see below), whose sum is σ = 128445387469056. Its totient is φ = 10184647449600.

The previous prime is 42031122003319. The next prime is 42031122003439. The reversal of 42031122003420 is 2430022113024.

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 31 ways as a sum of consecutive naturals, for example, 13308474 + ... + 16160993.

It is an arithmetic number, because the mean of its divisors is an integer number (1337972786136).

Almost surely, 2^{42031122003420} is an apocalyptic number.

It is an amenable number.

42031122003420 is an abundant number, since it is smaller than the sum of its proper divisors (86414265465636).

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

42031122003420 is a wasteful number, since it uses less digits than its factorization.

42031122003420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29471651 (or 29471649 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 42031122003420 its reverse (2430022113024), we get a palindrome (44461144116444).

The spelling of 42031122003420 in words is "forty-two trillion, thirty-one billion, one hundred twenty-two million, three thousand, four hundred twenty".