3112331321003 has 4 divisors (see below), whose sum is σ = 3112431843768. Its totient is φ = 3112230798240.

The previous prime is 3112331320997. The next prime is 3112331321117. The reversal of 3112331321003 is 3001231332113.

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 3112331321003 - 2²⁰ = 3112330272427 is a prime.

It is a super-3 number, since 3×3112331321003³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3112331321003.

It is not an unprimeable number, because it can be changed into a prime (3112331321303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50214926 + ... + 50276867.

It is an arithmetic number, because the mean of its divisors is an integer number (778107960942).

Almost surely, 2^{3112331321003} is an apocalyptic number.

3112331321003 is a deficient number, since it is larger than the sum of its proper divisors (100522765).

3112331321003 is a wasteful number, since it uses less digits than its factorization.

3112331321003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100522764.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 3112331321003 its reverse (3001231332113), we get a palindrome (6113562653116).

The spelling of 3112331321003 in words is "three trillion, one hundred twelve billion, three hundred thirty-one million, three hundred twenty-one thousand, three".