3112308491 has 2 divisors, whose sum is σ = 3112308492. Its totient is φ = 3112308490.

The previous prime is 3112308427. The next prime is 3112308517. The reversal of 3112308491 is 1948032113.

It is a strong prime.

It is an emirp because it is prime and its reverse (1948032113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3112308491 - 2⁶ = 3112308427 is a prime.

It is not a weakly prime, because it can be changed into another prime (3112308421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556154245 + 1556154246.

It is an arithmetic number, because the mean of its divisors is an integer number (1556154246).

Almost surely, 2^3112308491 is an apocalyptic number.

3112308491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112308491 is an equidigital number, since it uses as much as digits as its factorization.

3112308491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 3112308491 is about 55788.0676399533. The cubic root of 3112308491 is about 1460.0269731365.

The spelling of 3112308491 in words is "three billion, one hundred twelve million, three hundred eight thousand, four hundred ninety-one".