1003120313011 has 4 divisors (see below), whose sum is σ = 1003127851024. Its totient is φ = 1003112775000.

The previous prime is 1003120313003. The next prime is 1003120313047. The reversal of 1003120313011 is 1103130213001.

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

It is a cyclic number.

It is not a de Polignac number, because 1003120313011 - 2³ = 1003120313003 is a prime.

It is a super-2 number, since 2×1003120313011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003120313711) 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, 3565740 + ... + 3836761.

It is an arithmetic number, because the mean of its divisors is an integer number (250781962756).

Almost surely, 2^{1003120313011} is an apocalyptic number.

1003120313011 is a deficient number, since it is larger than the sum of its proper divisors (7538013).

1003120313011 is an equidigital number, since it uses as much as digits as its factorization.

1003120313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7538012.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1003120313011 its reverse (1103130213001), we get a palindrome (2106250526012).

It can be divided in two parts, 1003120 and 313011, that added together give a palindrome (1316131).

The spelling of 1003120313011 in words is "one trillion, three billion, one hundred twenty million, three hundred thirteen thousand, eleven".