3121112220323 has 2 divisors, whose sum is σ = 3121112220324. Its totient is φ = 3121112220322.

The previous prime is 3121112220299. The next prime is 3121112220349. The reversal of 3121112220323 is 3230222111213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3121112220323 - 2³⁰ = 3120038478499 is a prime.

It is not a weakly prime, because it can be changed into another prime (3121112220923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560556110161 + 1560556110162.

It is an arithmetic number, because the mean of its divisors is an integer number (1560556110162).

Almost surely, 2^{3121112220323} is an apocalyptic number.

3121112220323 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121112220323 is an equidigital number, since it uses as much as digits as its factorization.

3121112220323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 3121112220323 its reverse (3230222111213), we get a palindrome (6351334331536).

The spelling of 3121112220323 in words is "three trillion, one hundred twenty-one billion, one hundred twelve million, two hundred twenty thousand, three hundred twenty-three".