203203111013 has 8 divisors (see below), whose sum is σ = 232548956928. Its totient is φ = 173936472624.

The previous prime is 203203110997. The next prime is 203203111031. The reversal of 203203111013 is 310111302302.

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 203203111013 - 2⁴ = 203203110997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203203110982 and 203203111000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203203111313) 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, 19796381 + ... + 19806642.

It is an arithmetic number, because the mean of its divisors is an integer number (29068619616).

Almost surely, 2^203203111013 is an apocalyptic number.

It is an amenable number.

203203111013 is a deficient number, since it is larger than the sum of its proper divisors (29345845915).

203203111013 is an equidigital number, since it uses as much as digits as its factorization.

203203111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39603763.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 203203111013 its reverse (310111302302), we get a palindrome (513314413315).

The spelling of 203203111013 in words is "two hundred three billion, two hundred three million, one hundred eleven thousand, thirteen".