1303142228 has 12 divisors (see below), whose sum is σ = 2314536672. Its totient is φ = 641846040.

The previous prime is 1303142221. The next prime is 1303142273. The reversal of 1303142228 is 8222413031.

It is a junction number, because it is equal to n+sod(n) for n = 1303142197 and 1303142206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303142221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2430968 + ... + 2431503.

It is an arithmetic number, because the mean of its divisors is an integer number (192878056).

Almost surely, 2^1303142228 is an apocalyptic number.

It is an amenable number.

1303142228 is a deficient number, since it is larger than the sum of its proper divisors (1011394444).

1303142228 is a wasteful number, since it uses less digits than its factorization.

1303142228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862542 (or 4862540 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1303142228 is about 36099.0613174359. The cubic root of 1303142228 is about 1092.2715102176.

Adding to 1303142228 its reverse (8222413031), we get a palindrome (9525555259).

The spelling of 1303142228 in words is "one billion, three hundred three million, one hundred forty-two thousand, two hundred twenty-eight".