3111642601 has 2 divisors, whose sum is σ = 3111642602. Its totient is φ = 3111642600.

The previous prime is 3111642517. The next prime is 3111642619. The reversal of 3111642601 is 1062461113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3049248400 + 62394201 = 55220^2 + 7899^2 .

It is a cyclic number.

It is not a de Polignac number, because 3111642601 - 2²⁷ = 2977424873 is a prime.

It is not a weakly prime, because it can be changed into another prime (3111642641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555821300 + 1555821301.

It is an arithmetic number, because the mean of its divisors is an integer number (1555821301).

Almost surely, 2^3111642601 is an apocalyptic number.

It is an amenable number.

3111642601 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111642601 is an equidigital number, since it uses as much as digits as its factorization.

3111642601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 3111642601 is about 55782.0992882125. The cubic root of 3111642601 is about 1459.9228396390.

The spelling of 3111642601 in words is "three billion, one hundred eleven million, six hundred forty-two thousand, six hundred one".