42031030421000 has 256 divisors, whose sum is σ = 103768296652800. Its totient is φ = 15911172576000.

The previous prime is 42031030420997. The next prime is 42031030421033. The reversal of 42031030421000 is 12403013024.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1933428131 + ... + 1933449869.

It is an arithmetic number, because the mean of its divisors is an integer number (405344908800).

Almost surely, 2^{42031030421000} is an apocalyptic number.

42031030421000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42031030421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51884148326400).

42031030421000 is an abundant number, since it is smaller than the sum of its proper divisors (61737266231800).

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

42031030421000 is a wasteful number, since it uses less digits than its factorization.

42031030421000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23165 (or 23151 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 42031030421000 its reverse (12403013024), we get a palindrome (42043433434024).

The spelling of 42031030421000 in words is "forty-two trillion, thirty-one billion, thirty million, four hundred twenty-one thousand".