3111742693 has 2 divisors, whose sum is σ = 3111742694. Its totient is φ = 3111742692.

The previous prime is 3111742681. The next prime is 3111742723. The reversal of 3111742693 is 3962471113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2962951489 + 148791204 = 54433^2 + 12198^2 .

It is a cyclic number.

It is not a de Polignac number, because 3111742693 - 2⁹ = 3111742181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111742643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555871346 + 1555871347.

It is an arithmetic number, because the mean of its divisors is an integer number (1555871347).

Almost surely, 2^3111742693 is an apocalyptic number.

It is an amenable number.

3111742693 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111742693 is an equidigital number, since it uses as much as digits as its factorization.

3111742693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 3111742693 is about 55782.9964505314. The cubic root of 3111742693 is about 1459.9384932180.

The spelling of 3111742693 in words is "three billion, one hundred eleven million, seven hundred forty-two thousand, six hundred ninety-three".