3141126661 has 2 divisors, whose sum is σ = 3141126662. Its totient is φ = 3141126660.

The previous prime is 3141126647. The next prime is 3141126679. The reversal of 3141126661 is 1666211413.

3141126661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3038104161 + 103022500 = 55119^2 + 10150^2 .

It is a cyclic number.

It is not a de Polignac number, because 3141126661 - 2¹⁷ = 3140995589 is a prime.

It is a super-4 number, since 4×3141126661⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3141126061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570563330 + 1570563331.

It is an arithmetic number, because the mean of its divisors is an integer number (1570563331).

Almost surely, 2^3141126661 is an apocalyptic number.

It is an amenable number.

3141126661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3141126661 is an equidigital number, since it uses as much as digits as its factorization.

3141126661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 3141126661 is about 56045.7550667310. The cubic root of 3141126661 is about 1464.5194696524.

The spelling of 3141126661 in words is "three billion, one hundred forty-one million, one hundred twenty-six thousand, six hundred sixty-one".