1303323103 has 4 divisors (see below), whose sum is σ = 1303507800. Its totient is φ = 1303138408.

The previous prime is 1303323079. The next prime is 1303323143. The reversal of 1303323103 is 3013233031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3013233031 = 45337 ⋅66463.

It is a cyclic number.

It is not a de Polignac number, because 1303323103 - 2⁹ = 1303322591 is a prime.

It is a super-2 number, since 2×1303323103² = 3397302221627097218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303323143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81325 + ... + 96022.

It is an arithmetic number, because the mean of its divisors is an integer number (325876950).

Almost surely, 2^1303323103 is an apocalyptic number.

1303323103 is a deficient number, since it is larger than the sum of its proper divisors (184697).

1303323103 is an equidigital number, since it uses as much as digits as its factorization.

1303323103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184696.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 1303323103 is about 36101.5664895583. The cubic root of 1303323103 is about 1092.3220433227.

Adding to 1303323103 its reverse (3013233031), we get a palindrome (4316556134).

It can be divided in two parts, 130 and 3323103, that added together give a palindrome (3323233).

The spelling of 1303323103 in words is "one billion, three hundred three million, three hundred twenty-three thousand, one hundred three".