203003110012313 has 24 divisors (see below), whose sum is σ = 232237516526400. Its totient is φ = 176362877134080.

The previous prime is 203003110012309. The next prime is 203003110012331. The reversal of 203003110012313 is 313210011300302.

It is not a de Polignac number, because 203003110012313 - 2² = 203003110012309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203003110072313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 470908598 + ... + 471339488.

It is an arithmetic number, because the mean of its divisors is an integer number (9676563188600).

Almost surely, 2^{203003110012313} is an apocalyptic number.

It is an amenable number.

203003110012313 is a deficient number, since it is larger than the sum of its proper divisors (29234406514087).

203003110012313 is a wasteful number, since it uses less digits than its factorization.

203003110012313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556337 (or 556320 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 203003110012313 its reverse (313210011300302), we get a palindrome (516213121312615).

The spelling of 203003110012313 in words is "two hundred three trillion, three billion, one hundred ten million, twelve thousand, three hundred thirteen".