203230100013 has 4 divisors (see below), whose sum is σ = 270973466688. Its totient is φ = 135486733340.

The previous prime is 203230099999. The next prime is 203230100027. The reversal of 203230100013 is 310001032302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (203230099999) and next prime (203230100027).

It is a cyclic number.

It is not a de Polignac number, because 203230100013 - 2⁴ = 203230099997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203230099965 and 203230100001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203230104013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33871683333 + ... + 33871683338.

It is an arithmetic number, because the mean of its divisors is an integer number (67743366672).

Almost surely, 2^203230100013 is an apocalyptic number.

It is an amenable number.

203230100013 is a deficient number, since it is larger than the sum of its proper divisors (67743366675).

203230100013 is an equidigital number, since it uses as much as digits as its factorization.

203230100013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67743366674.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 203230100013 its reverse (310001032302), we get a palindrome (513231132315).

The spelling of 203230100013 in words is "two hundred three billion, two hundred thirty million, one hundred thousand, thirteen".