3111321311303 has 2 divisors, whose sum is σ = 3111321311304. Its totient is φ = 3111321311302.

The previous prime is 3111321311279. The next prime is 3111321311333. The reversal of 3111321311303 is 3031131231113.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3111321311303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111321311333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555660655651 + 1555660655652.

It is an arithmetic number, because the mean of its divisors is an integer number (1555660655652).

Almost surely, 2^{3111321311303} is an apocalyptic number.

3111321311303 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111321311303 is an equidigital number, since it uses as much as digits as its factorization.

3111321311303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 3111321311303 its reverse (3031131231113), we get a palindrome (6142452542416).

The spelling of 3111321311303 in words is "three trillion, one hundred eleven billion, three hundred twenty-one million, three hundred eleven thousand, three hundred three".