1303321113 has 12 divisors (see below), whose sum is σ = 1889525248. Its totient is φ = 865672920.

The previous prime is 1303321111. The next prime is 1303321121. The reversal of 1303321113 is 3111233031.

It is a happy number.

It is not a de Polignac number, because 1303321113 - 2¹ = 1303321111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303321111) 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, 264745 + ... + 269622.

Almost surely, 2^1303321113 is an apocalyptic number.

It is an amenable number.

1303321113 is a deficient number, since it is larger than the sum of its proper divisors (586204135).

1303321113 is a wasteful number, since it uses less digits than its factorization.

1303321113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534644 (or 534641 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1303321113 is about 36101.5389284169. The cubic root of 1303321113 is about 1092.3214873792.

Adding to 1303321113 its reverse (3111233031), we get a palindrome (4414554144).

The spelling of 1303321113 in words is "one billion, three hundred three million, three hundred twenty-one thousand, one hundred thirteen".