203130122303 has 4 divisors (see below), whose sum is σ = 203133006840. Its totient is φ = 203127237768.

The previous prime is 203130122297. The next prime is 203130122329. The reversal of 203130122303 is 303221031302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203130122303 - 2²² = 203125927999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203130122353) 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, 1333925 + ... + 1478382.

It is an arithmetic number, because the mean of its divisors is an integer number (50783251710).

Almost surely, 2^203130122303 is an apocalyptic number.

203130122303 is a deficient number, since it is larger than the sum of its proper divisors (2884537).

203130122303 is an equidigital number, since it uses as much as digits as its factorization.

203130122303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884536.

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

Adding to 203130122303 its reverse (303221031302), we get a palindrome (506351153605).

The spelling of 203130122303 in words is "two hundred three billion, one hundred thirty million, one hundred twenty-two thousand, three hundred three".