42003224531 has 8 divisors (see below), whose sum is σ = 43046522064. Its totient is φ = 40960823680.

The previous prime is 42003224507. The next prime is 42003224539. The reversal of 42003224531 is 13542230024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42003224531 - 2⁶ = 42003224467 is a prime.

It is a super-2 number, since 2×42003224531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42003224531.

It is not an unprimeable number, because it can be changed into a prime (42003224539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128825 + ... + 317178.

It is an arithmetic number, because the mean of its divisors is an integer number (5380815258).

Almost surely, 2^42003224531 is an apocalyptic number.

42003224531 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42003224531 is a deficient number, since it is larger than the sum of its proper divisors (1043297533).

42003224531 is a wasteful number, since it uses less digits than its factorization.

42003224531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448341.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 42003224531 its reverse (13542230024), we get a palindrome (55545454555).

The spelling of 42003224531 in words is "forty-two billion, three million, two hundred twenty-four thousand, five hundred thirty-one".