1303220220303 has 12 divisors (see below), whose sum is σ = 1845852862280. Its totient is φ = 817706804352.

The previous prime is 1303220220301. The next prime is 1303220220359. The reversal of 1303220220303 is 3030220223031.

It is not a de Polignac number, because 1303220220303 - 2¹ = 1303220220301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1303220220303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303220220301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 751567888 + ... + 751569621.

Almost surely, 2^{1303220220303} is an apocalyptic number.

1303220220303 is a deficient number, since it is larger than the sum of its proper divisors (542632641977).

1303220220303 is a wasteful number, since it uses less digits than its factorization.

1303220220303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503137546 (or 1503137529 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 1303220220303 its reverse (3030220223031), we get a palindrome (4333440443334).

The spelling of 1303220220303 in words is "one trillion, three hundred three billion, two hundred twenty million, two hundred twenty thousand, three hundred three".