3121112303 has 2 divisors, whose sum is σ = 3121112304. Its totient is φ = 3121112302.

The previous prime is 3121112279. The next prime is 3121112317. The reversal of 3121112303 is 3032111213.

3121112303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (3032111213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3121112303 - 2¹⁶ = 3121046767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121112363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560556151 + 1560556152.

It is an arithmetic number, because the mean of its divisors is an integer number (1560556152).

Almost surely, 2^3121112303 is an apocalyptic number.

3121112303 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121112303 is an equidigital number, since it uses as much as digits as its factorization.

3121112303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3121112303 is about 55866.9159968581. The cubic root of 3121112303 is about 1461.4023404508.

Adding to 3121112303 its reverse (3032111213), we get a palindrome (6153223516).

The spelling of 3121112303 in words is "three billion, one hundred twenty-one million, one hundred twelve thousand, three hundred three".