1303301133 has 6 divisors (see below), whose sum is σ = 1882546094. Its totient is φ = 868867416.

The previous prime is 1303301123. The next prime is 1303301149. The reversal of 1303301133 is 3311033031.

It can be written as a sum of positive squares in only one way, i.e., 1292977764 + 10323369 = 35958^2 + 3213^2 .

It is not a de Polignac number, because 1303301133 - 2¹⁶ = 1303235597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303301123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72405610 + ... + 72405627.

Almost surely, 2^1303301133 is an apocalyptic number.

It is an amenable number.

1303301133 is a deficient number, since it is larger than the sum of its proper divisors (579244961).

1303301133 is a wasteful number, since it uses less digits than its factorization.

1303301133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144811243 (or 144811240 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 1303301133 is about 36101.2622078508. The cubic root of 1303301133 is about 1092.3159055635.

Adding to 1303301133 its reverse (3311033031), we get a palindrome (4614334164).

The spelling of 1303301133 in words is "one billion, three hundred three million, three hundred one thousand, one hundred thirty-three".