3111213211003 has 4 divisors (see below), whose sum is σ = 3274961274760. Its totient is φ = 2947465147248.

The previous prime is 3111213210979. The next prime is 3111213211019. The reversal of 3111213211003 is 3001123121113.

3111213211003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-3111213211003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 163748063737 = 3111213211003 / (3 + 1 + 1 + 1 + 2 + 1 + 3 + 2 + 1 + 1 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3111213211033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81874031850 + ... + 81874031887.

It is an arithmetic number, because the mean of its divisors is an integer number (818740318690).

Almost surely, 2^{3111213211003} is an apocalyptic number.

3111213211003 is a deficient number, since it is larger than the sum of its proper divisors (163748063757).

3111213211003 is a wasteful number, since it uses less digits than its factorization.

3111213211003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163748063756.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 3111213211003 its reverse (3001123121113), we get a palindrome (6112336332116).

The spelling of 3111213211003 in words is "three trillion, one hundred eleven billion, two hundred thirteen million, two hundred eleven thousand, three".