1000133313 has 4 divisors (see below), whose sum is σ = 1333511088. Its totient is φ = 666755540.

The previous prime is 1000133297. The next prime is 1000133333. The reversal of 1000133313 is 3133310001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1000133313 - 2⁴ = 1000133297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000133292 and 1000133301.

It is not an unprimeable number, because it can be changed into a prime (1000133333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166688883 + ... + 166688888.

It is an arithmetic number, because the mean of its divisors is an integer number (333377772).

Almost surely, 2^1000133313 is an apocalyptic number.

It is an amenable number.

1000133313 is a deficient number, since it is larger than the sum of its proper divisors (333377775).

1000133313 is an equidigital number, since it uses as much as digits as its factorization.

1000133313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333377774.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 1000133313 is about 31624.8843950456. The cubic root of 1000133313 is about 1000.0444356921.

Adding to 1000133313 its reverse (3133310001), we get a palindrome (4133443314).

The spelling of 1000133313 in words is "one billion, one hundred thirty-three thousand, three hundred thirteen".