1311111000003 has 24 divisors (see below), whose sum is σ = 2035878886992. Its totient is φ = 748351929024.

The previous prime is 1311110999971. The next prime is 1311111000053. The reversal of 1311111000003 is 3000001111131.

It is not a de Polignac number, because 1311111000003 - 2⁵ = 1311110999971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311111000053) 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 23 ways as a sum of consecutive naturals, for example, 4956100 + ... + 5213937.

It is an arithmetic number, because the mean of its divisors is an integer number (84828286958).

Almost surely, 2^{1311111000003} is an apocalyptic number.

1311111000003 is a deficient number, since it is larger than the sum of its proper divisors (724767886989).

1311111000003 is a wasteful number, since it uses less digits than its factorization.

1311111000003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170931 (or 10170924 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 1311111000003 its reverse (3000001111131), we get a palindrome (4311112111134).

The spelling of 1311111000003 in words is "one trillion, three hundred eleven billion, one hundred eleven million, three", and thus it is an aban number.