203500240013 has 8 divisors (see below), whose sum is σ = 232575033600. Its totient is φ = 174426279120.

The previous prime is 203500240007. The next prime is 203500240067. The reversal of 203500240013 is 310042005302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 203500240013 - 2¹⁴ = 203500223629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203500240313) 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, 457388 + ... + 784986.

It is an arithmetic number, because the mean of its divisors is an integer number (29071879200).

Almost surely, 2^203500240013 is an apocalyptic number.

It is an amenable number.

203500240013 is a deficient number, since it is larger than the sum of its proper divisors (29074793587).

203500240013 is an equidigital number, since it uses as much as digits as its factorization.

203500240013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416347.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 203500240013 its reverse (310042005302), we get a palindrome (513542245315).

The spelling of 203500240013 in words is "two hundred three billion, five hundred million, two hundred forty thousand, thirteen".