3171254470561 has 2 divisors, whose sum is σ = 3171254470562. Its totient is φ = 3171254470560.

The previous prime is 3171254470543. The next prime is 3171254470597. The reversal of 3171254470561 is 1650744521713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3035208574225 + 136045896336 = 1742185^2 + 368844^2 .

It is a cyclic number.

It is not a de Polignac number, because 3171254470561 - 2²¹ = 3171252373409 is a prime.

It is not a weakly prime, because it can be changed into another prime (3171254470541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1585627235280 + 1585627235281.

It is an arithmetic number, because the mean of its divisors is an integer number (1585627235281).

Almost surely, 2^{3171254470561} is an apocalyptic number.

It is an amenable number.

3171254470561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3171254470561 is an equidigital number, since it uses as much as digits as its factorization.

3171254470561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 3171254470561 in words is "three trillion, one hundred seventy-one billion, two hundred fifty-four million, four hundred seventy thousand, five hundred sixty-one".