1003120322013 has 16 divisors (see below), whose sum is σ = 1486179979840. Its totient is φ = 668712771792.

The previous prime is 1003120322011. The next prime is 1003120322033. The reversal of 1003120322013 is 3102230213001.

It is not a de Polignac number, because 1003120322013 - 2¹ = 1003120322011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003120322011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402631 + ... + 1472532.

It is an arithmetic number, because the mean of its divisors is an integer number (92886248740).

Almost surely, 2^{1003120322013} is an apocalyptic number.

It is an amenable number.

1003120322013 is a deficient number, since it is larger than the sum of its proper divisors (483059657827).

1003120322013 is a wasteful number, since it uses less digits than its factorization.

1003120322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894985 (or 1894979 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1003120322013 its reverse (3102230213001), we get a palindrome (4105350535014).

The spelling of 1003120322013 in words is "one trillion, three billion, one hundred twenty million, three hundred twenty-two thousand, thirteen".