1303113321203 has 4 divisors (see below), whose sum is σ = 1304592451848. Its totient is φ = 1301634190560.

The previous prime is 1303113321157. The next prime is 1303113321233. The reversal of 1303113321203 is 3021233113031.

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 1303113321203 - 2²² = 1303109126899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303113321233) 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, 739564001 + ... + 739565762.

It is an arithmetic number, because the mean of its divisors is an integer number (326148112962).

Almost surely, 2^{1303113321203} is an apocalyptic number.

1303113321203 is a deficient number, since it is larger than the sum of its proper divisors (1479130645).

1303113321203 is an equidigital number, since it uses as much as digits as its factorization.

1303113321203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479130644.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1303113321203 its reverse (3021233113031), we get a palindrome (4324346434234).

The spelling of 1303113321203 in words is "one trillion, three hundred three billion, one hundred thirteen million, three hundred twenty-one thousand, two hundred three".