1303203220103 has 16 divisors (see below), whose sum is σ = 1310858486784. Its totient is φ = 1295574575040.

The previous prime is 1303203220091. The next prime is 1303203220181. The reversal of 1303203220103 is 3010223023031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303203220103 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 (1303203220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240573851 + ... + 240579267.

It is an arithmetic number, because the mean of its divisors is an integer number (81928655424).

Almost surely, 2^{1303203220103} is an apocalyptic number.

1303203220103 is a deficient number, since it is larger than the sum of its proper divisors (7655266681).

1303203220103 is a wasteful number, since it uses less digits than its factorization.

1303203220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7622.

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

Adding to 1303203220103 its reverse (3010223023031), we get a palindrome (4313426243134).

The spelling of 1303203220103 in words is "one trillion, three hundred three billion, two hundred three million, two hundred twenty thousand, one hundred three".