1321341031169 has 2 divisors, whose sum is σ = 1321341031170. Its totient is φ = 1321341031168.

The previous prime is 1321341031139. The next prime is 1321341031211. The reversal of 1321341031169 is 9611301431231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 676711890625 + 644629140544 = 822625^2 + 802888^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1321341031169 is a prime.

It is a super-2 number, since 2×1321341031169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1321341031139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660670515584 + 660670515585.

It is an arithmetic number, because the mean of its divisors is an integer number (660670515585).

Almost surely, 2^{1321341031169} is an apocalyptic number.

It is an amenable number.

1321341031169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321341031169 is an equidigital number, since it uses as much as digits as its factorization.

1321341031169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 1321341031169 in words is "one trillion, three hundred twenty-one billion, three hundred forty-one million, thirty-one thousand, one hundred sixty-nine".