42513240203 has 6 divisors (see below), whose sum is σ = 49454177436. Its totient is φ = 36439920132.

The previous prime is 42513240151. The next prime is 42513240239. The reversal of 42513240203 is 30204231524.

It is not a de Polignac number, because 42513240203 - 2¹² = 42513236107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42513240283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 433808525 + ... + 433808622.

It is an arithmetic number, because the mean of its divisors is an integer number (8242362906).

Almost surely, 2^42513240203 is an apocalyptic number.

42513240203 is a deficient number, since it is larger than the sum of its proper divisors (6940937233).

42513240203 is an equidigital number, since it uses as much as digits as its factorization.

42513240203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867617161 (or 867617154 counting only the distinct ones).

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

Adding to 42513240203 its reverse (30204231524), we get a palindrome (72717471727).

The spelling of 42513240203 in words is "forty-two billion, five hundred thirteen million, two hundred forty thousand, two hundred three".