3112561301 has 2 divisors, whose sum is σ = 3112561302. Its totient is φ = 3112561300.

The previous prime is 3112561279. The next prime is 3112561303. The reversal of 3112561301 is 1031652113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2366725201 + 745836100 = 48649^2 + 27310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3112561301 is a prime.

Together with 3112561303, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112561303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556280650 + 1556280651.

It is an arithmetic number, because the mean of its divisors is an integer number (1556280651).

Almost surely, 2^3112561301 is an apocalyptic number.

It is an amenable number.

3112561301 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112561301 is an equidigital number, since it uses as much as digits as its factorization.

3112561301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 3112561301 is about 55790.3334010472. Note that the first 3 decimals coincide. The cubic root of 3112561301 is about 1460.0665042891.

The spelling of 3112561301 in words is "three billion, one hundred twelve million, five hundred sixty-one thousand, three hundred one".