42031434340120 has 16 divisors (see below), whose sum is σ = 94570727265360. Its totient is φ = 16812573736032.

The previous prime is 42031434340069. The next prime is 42031434340163. The reversal of 42031434340120 is 2104343413024.

It is a super-2 number, since 2×42031434340120² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525392929212 + ... + 525392929291.

It is an arithmetic number, because the mean of its divisors is an integer number (5910670454085).

Almost surely, 2^{42031434340120} is an apocalyptic number.

42031434340120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42031434340120 is an abundant number, since it is smaller than the sum of its proper divisors (52539292925240).

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

42031434340120 is a wasteful number, since it uses less digits than its factorization.

42031434340120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050785858514 (or 1050785858510 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 42031434340120 its reverse (2104343413024), we get a palindrome (44135777753144).

The spelling of 42031434340120 in words is "forty-two trillion, thirty-one billion, four hundred thirty-four million, three hundred forty thousand, one hundred twenty".