1000313313 has 4 divisors (see below), whose sum is σ = 1333751088. Its totient is φ = 666875540.

The previous prime is 1000313299. The next prime is 1000313323. The reversal of 1000313313 is 3133130001.

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 1000313313 - 2⁸ = 1000313057 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1000313292 and 1000313301.

It is not an unprimeable number, because it can be changed into a prime (1000313323) 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, 166718883 + ... + 166718888.

It is an arithmetic number, because the mean of its divisors is an integer number (333437772).

Almost surely, 2^1000313313 is an apocalyptic number.

It is an amenable number.

1000313313 is a deficient number, since it is larger than the sum of its proper divisors (333437775).

1000313313 is an equidigital number, since it uses as much as digits as its factorization.

1000313313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333437774.

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

The square root of 1000313313 is about 31627.7301272159. The cubic root of 1000313313 is about 1000.1044267613.

Adding to 1000313313 its reverse (3133130001), we get a palindrome (4133443314).

The spelling of 1000313313 in words is "one billion, three hundred thirteen thousand, three hundred thirteen".