203340130403 has 4 divisors (see below), whose sum is σ = 204941233920. Its totient is φ = 201739026888.

The previous prime is 203340130351. The next prime is 203340130423. The reversal of 203340130403 is 304031043302.

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 203340130403 - 2¹⁰ = 203340129379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203340130423) 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, 800551568 + ... + 800551821.

It is an arithmetic number, because the mean of its divisors is an integer number (51235308480).

Almost surely, 2^203340130403 is an apocalyptic number.

203340130403 is a deficient number, since it is larger than the sum of its proper divisors (1601103517).

203340130403 is a wasteful number, since it uses less digits than its factorization.

203340130403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601103516.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 203340130403 its reverse (304031043302), we get a palindrome (507371173705).

The spelling of 203340130403 in words is "two hundred three billion, three hundred forty million, one hundred thirty thousand, four hundred three".