42031354520430 has 64 divisors (see below), whose sum is σ = 122273031340800. Its totient is φ = 10189419276960.

The previous prime is 42031354520347. The next prime is 42031354520431. The reversal of 42031354520430 is 3402545313024.

42031354520430 is a `hidden beast` number, since 4 + 20 + 31 + 3 + 54 + 520 + 4 + 30 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42031354520431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7075982640 + ... + 7075988579.

It is an arithmetic number, because the mean of its divisors is an integer number (1910516114700).

Almost surely, 2^{42031354520430} is an apocalyptic number.

42031354520430 is an abundant number, since it is smaller than the sum of its proper divisors (80241676820370).

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

42031354520430 is a wasteful number, since it uses less digits than its factorization.

42031354520430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14151971246 (or 14151971240 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 42031354520430 its reverse (3402545313024), we get a palindrome (45433899833454).

The spelling of 42031354520430 in words is "forty-two trillion, thirty-one billion, three hundred fifty-four million, five hundred twenty thousand, four hundred thirty".