1003020313313 has 4 divisors (see below), whose sum is σ = 1005402784788. Its totient is φ = 1000637841840.

The previous prime is 1003020313301. The next prime is 1003020313331. The reversal of 1003020313313 is 3133130203001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82901957329 + 920118355984 = 287927^2 + 959228^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003020313313 - 2¹⁸ = 1003020051169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003020313913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191235106 + ... + 1191235947.

It is an arithmetic number, because the mean of its divisors is an integer number (251350696197).

Almost surely, 2^{1003020313313} is an apocalyptic number.

It is an amenable number.

1003020313313 is a deficient number, since it is larger than the sum of its proper divisors (2382471475).

1003020313313 is an equidigital number, since it uses as much as digits as its factorization.

1003020313313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382471474.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 1003020313313 its reverse (3133130203001), we get a palindrome (4136150516314).

The spelling of 1003020313313 in words is "one trillion, three billion, twenty million, three hundred thirteen thousand, three hundred thirteen".