203000220103313 has 4 divisors (see below), whose sum is σ = 211826316629568. Its totient is φ = 194174123577060.

The previous prime is 203000220103309. The next prime is 203000220103327. The reversal of 203000220103313 is 313301022000302.

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 a cyclic number.

It is not a de Polignac number, because 203000220103313 - 2² = 203000220103309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203000220105313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4413048263093 + ... + 4413048263138.

It is an arithmetic number, because the mean of its divisors is an integer number (52956579157392).

Almost surely, 2^{203000220103313} is an apocalyptic number.

203000220103313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

203000220103313 is a deficient number, since it is larger than the sum of its proper divisors (8826096526255).

203000220103313 is an equidigital number, since it uses as much as digits as its factorization.

203000220103313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8826096526254.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 203000220103313 its reverse (313301022000302), we get a palindrome (516301242103615).

The spelling of 203000220103313 in words is "two hundred three trillion, two hundred twenty million, one hundred three thousand, three hundred thirteen".