3106228561 has 2 divisors, whose sum is σ = 3106228562. Its totient is φ = 3106228560.

The previous prime is 3106228553. The next prime is 3106228651. The reversal of 3106228561 is 1658226013.

Together with next prime (3106228651) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2804337936 + 301890625 = 52956^2 + 17375^2 .

It is a cyclic number.

It is not a de Polignac number, because 3106228561 - 2³ = 3106228553 is a prime.

It is not a weakly prime, because it can be changed into another prime (3106225561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1553114280 + 1553114281.

It is an arithmetic number, because the mean of its divisors is an integer number (1553114281).

Almost surely, 2^3106228561 is an apocalyptic number.

It is an amenable number.

3106228561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3106228561 is an equidigital number, since it uses as much as digits as its factorization.

3106228561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 3106228561 is about 55733.5496895721. The cubic root of 3106228561 is about 1459.0756269517.

The spelling of 3106228561 in words is "three billion, one hundred six million, two hundred twenty-eight thousand, five hundred sixty-one".