3106661045 has 4 divisors (see below), whose sum is σ = 3727993260. Its totient is φ = 2485328832.

The previous prime is 3106661027. The next prime is 3106661053. The reversal of 3106661045 is 5401666013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5401666013 = 71 ⋅76079803.

It can be written as a sum of positive squares in 2 ways, for example, as 1959213169 + 1147447876 = 44263^2 + 33874^2 .

It is a cyclic number.

It is not a de Polignac number, because 3106661045 - 2¹⁰ = 3106660021 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310666100 + ... + 310666109.

It is an arithmetic number, because the mean of its divisors is an integer number (931998315).

Almost surely, 2^3106661045 is an apocalyptic number.

It is an amenable number.

3106661045 is a deficient number, since it is larger than the sum of its proper divisors (621332215).

3106661045 is an equidigital number, since it uses as much as digits as its factorization.

3106661045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621332214.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 3106661045 is about 55737.4294796594. The cubic root of 3106661045 is about 1459.1433401036.

The spelling of 3106661045 in words is "three billion, one hundred six million, six hundred sixty-one thousand, forty-five".