3147206331641 has 2 divisors, whose sum is σ = 3147206331642. Its totient is φ = 3147206331640.

The previous prime is 3147206331617. The next prime is 3147206331679. The reversal of 3147206331641 is 1461336027413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3125219373241 + 21986958400 = 1767829^2 + 148280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3147206331641 is a prime.

It is not a weakly prime, because it can be changed into another prime (3147206331541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573603165820 + 1573603165821.

It is an arithmetic number, because the mean of its divisors is an integer number (1573603165821).

Almost surely, 2^{3147206331641} is an apocalyptic number.

It is an amenable number.

3147206331641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3147206331641 is an equidigital number, since it uses as much as digits as its factorization.

3147206331641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 3147206331641 in words is "three trillion, one hundred forty-seven billion, two hundred six million, three hundred thirty-one thousand, six hundred forty-one".