1012003313 has 8 divisors (see below), whose sum is σ = 1024785216. Its totient is φ = 999235600.

The previous prime is 1012003303. The next prime is 1012003331. The reversal of 1012003313 is 3133002101.

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 1012003313 - 2¹² = 1011999217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012003303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262943 + ... + 266763.

It is an arithmetic number, because the mean of its divisors is an integer number (128098152).

Almost surely, 2^1012003313 is an apocalyptic number.

It is an amenable number.

1012003313 is a deficient number, since it is larger than the sum of its proper divisors (12781903).

1012003313 is an equidigital number, since it uses as much as digits as its factorization.

1012003313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1012003313 is about 31811.9995127625. Note that the first 3 decimals coincide. The cubic root of 1012003313 is about 1003.9852014057.

Adding to 1012003313 its reverse (3133002101), we get a palindrome (4145005414).

The spelling of 1012003313 in words is "one billion, twelve million, three thousand, three hundred thirteen".