1303230133 has 4 divisors (see below), whose sum is σ = 1306133100. Its totient is φ = 1300327168.

The previous prime is 1303230127. The next prime is 1303230157. The reversal of 1303230133 is 3310323031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 323352324 + 979877809 = 17982^2 + 31303^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303230133 - 2²¹ = 1301132981 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 1303230133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303234133) 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, 1450810 + ... + 1451707.

It is an arithmetic number, because the mean of its divisors is an integer number (326533275).

Almost surely, 2^1303230133 is an apocalyptic number.

It is an amenable number.

1303230133 is a deficient number, since it is larger than the sum of its proper divisors (2902967).

1303230133 is an equidigital number, since it uses as much as digits as its factorization.

1303230133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902966.

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

The square root of 1303230133 is about 36100.2788493385. The cubic root of 1303230133 is about 1092.2960698209.

Adding to 1303230133 its reverse (3310323031), we get a palindrome (4613553164).

The spelling of 1303230133 in words is "one billion, three hundred three million, two hundred thirty thousand, one hundred thirty-three".