3112434991 has 2 divisors, whose sum is σ = 3112434992. Its totient is φ = 3112434990.

The previous prime is 3112434979. The next prime is 3112435069. The reversal of 3112434991 is 1994342113.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3112434991 - 2⁷ = 3112434863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3112434991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112434971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556217495 + 1556217496.

It is an arithmetic number, because the mean of its divisors is an integer number (1556217496).

Almost surely, 2^3112434991 is an apocalyptic number.

3112434991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112434991 is an equidigital number, since it uses as much as digits as its factorization.

3112434991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 3112434991 is about 55789.2013834219. The cubic root of 3112434991 is about 1460.0467538352.

The spelling of 3112434991 in words is "three billion, one hundred twelve million, four hundred thirty-four thousand, nine hundred ninety-one".