3117433661 has 2 divisors, whose sum is σ = 3117433662. Its totient is φ = 3117433660.

The previous prime is 3117433597. The next prime is 3117433673. The reversal of 3117433661 is 1663347113.

It is a happy number.

3117433661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1881911161 + 1235522500 = 43381^2 + 35150^2 .

It is a cyclic number.

It is not a de Polignac number, because 3117433661 - 2⁶ = 3117433597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3117433691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558716830 + 1558716831.

It is an arithmetic number, because the mean of its divisors is an integer number (1558716831).

Almost surely, 2^3117433661 is an apocalyptic number.

It is an amenable number.

3117433661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3117433661 is an equidigital number, since it uses as much as digits as its factorization.

3117433661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 3117433661 is about 55833.9830300508. The cubic root of 3117433661 is about 1460.8279630079.

The spelling of 3117433661 in words is "three billion, one hundred seventeen million, four hundred thirty-three thousand, six hundred sixty-one".