3112311973 has 2 divisors, whose sum is σ = 3112311974. Its totient is φ = 3112311972.

The previous prime is 3112311971. The next prime is 3112312019. The reversal of 3112311973 is 3791132113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1721171169 + 1391140804 = 41487^2 + 37298^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112311973 - 2¹ = 3112311971 is a prime.

Together with 3112311971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112311971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556155986 + 1556155987.

It is an arithmetic number, because the mean of its divisors is an integer number (1556155987).

Almost surely, 2^3112311973 is an apocalyptic number.

It is an amenable number.

3112311973 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112311973 is an equidigital number, since it uses as much as digits as its factorization.

3112311973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 31.

The square root of 3112311973 is about 55788.0988473348. The cubic root of 3112311973 is about 1460.0275176211.

The spelling of 3112311973 in words is "three billion, one hundred twelve million, three hundred eleven thousand, nine hundred seventy-three".