3147111070021 has 2 divisors, whose sum is σ = 3147111070022. Its totient is φ = 3147111070020.

The previous prime is 3147111069997. The next prime is 3147111070031. The reversal of 3147111070021 is 1200701117413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2809998453025 + 337112616996 = 1676305^2 + 580614^2 .

It is a cyclic number.

It is not a de Polignac number, because 3147111070021 - 2¹⁵ = 3147111037253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3147111070031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573555535010 + 1573555535011.

It is an arithmetic number, because the mean of its divisors is an integer number (1573555535011).

Almost surely, 2^{3147111070021} is an apocalyptic number.

It is an amenable number.

3147111070021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3147111070021 is an equidigital number, since it uses as much as digits as its factorization.

3147111070021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 28.

Adding to 3147111070021 its reverse (1200701117413), we get a palindrome (4347812187434).

The spelling of 3147111070021 in words is "three trillion, one hundred forty-seven billion, one hundred eleven million, seventy thousand, twenty-one".