1303133303 has 6 divisors (see below), whose sum is σ = 1339306416. Its totient is φ = 1267912152.

The previous prime is 1303133291. The next prime is 1303133311. The reversal of 1303133303 is 3033313031.

It is not a de Polignac number, because 1303133303 - 2¹⁰ = 1303132279 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 (1303133323) 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, 474575 + ... + 477312.

It is an arithmetic number, because the mean of its divisors is an integer number (223217736).

Almost surely, 2^1303133303 is an apocalyptic number.

1303133303 is a deficient number, since it is larger than the sum of its proper divisors (36173113).

1303133303 is an frugal number, since it uses more digits than its factorization.

1303133303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951961 (or 951924 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 20.

The square root of 1303133303 is about 36098.9376990515. The cubic root of 1303133303 is about 1092.2690166179.

Adding to 1303133303 its reverse (3033313031), we get a palindrome (4336446334).

The spelling of 1303133303 in words is "one billion, three hundred three million, one hundred thirty-three thousand, three hundred three".