1333303313 has 8 divisors (see below), whose sum is σ = 1366823976. Its totient is φ = 1299830400.

The previous prime is 1333303271. The next prime is 1333303331. The reversal of 1333303313 is 3133033331.

It can be written as a sum of positive squares in 4 ways, for example, as 280495504 + 1052807809 = 16748^2 + 32447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1333303313 - 2⁸ = 1333303057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1333300313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48383 + ... + 70763.

It is an arithmetic number, because the mean of its divisors is an integer number (170852997).

Almost surely, 2^1333303313 is an apocalyptic number.

It is an amenable number.

1333303313 is a deficient number, since it is larger than the sum of its proper divisors (33520663).

1333303313 is a wasteful number, since it uses less digits than its factorization.

1333303313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23875.

The product of its (nonzero) digits is 2187, while the sum is 23.

The square root of 1333303313 is about 36514.4260943534. The cubic root of 1333303313 is about 1100.6341558232.

Adding to 1333303313 its reverse (3133033331), we get a palindrome (4466336644).

The spelling of 1333303313 in words is "one billion, three hundred thirty-three million, three hundred three thousand, three hundred thirteen".