3112302121 has 2 divisors, whose sum is σ = 3112302122. Its totient is φ = 3112302120.

The previous prime is 3112302119. The next prime is 3112302229. The reversal of 3112302121 is 1212032113.

3112302121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2895623721 + 216678400 = 53811^2 + 14720^2 .

It is an emirp because it is prime and its reverse (1212032113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3112302121 - 2¹ = 3112302119 is a prime.

Together with 3112302119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3112302095 and 3112302104.

It is not a weakly prime, because it can be changed into another prime (3112002121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556151060 + 1556151061.

It is an arithmetic number, because the mean of its divisors is an integer number (1556151061).

Almost surely, 2^3112302121 is an apocalyptic number.

It is an amenable number.

3112302121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112302121 is an equidigital number, since it uses as much as digits as its factorization.

3112302121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3112302121 is about 55788.0105488626. The cubic root of 3112302121 is about 1460.0259770508.

Adding to 3112302121 its reverse (1212032113), we get a palindrome (4324334234).

The spelling of 3112302121 in words is "three billion, one hundred twelve million, three hundred two thousand, one hundred twenty-one".