1321023082471 has 2 divisors, whose sum is σ = 1321023082472. Its totient is φ = 1321023082470.

The previous prime is 1321023082459. The next prime is 1321023082493. The reversal of 1321023082471 is 1742803201231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1321023082471 - 2⁷ = 1321023082343 is a prime.

It is a super-3 number, since 3×1321023082471³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1321023082411) 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, 660511541235 + 660511541236.

It is an arithmetic number, because the mean of its divisors is an integer number (660511541236).

Almost surely, 2^{1321023082471} is an apocalyptic number.

1321023082471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321023082471 is an equidigital number, since it uses as much as digits as its factorization.

1321023082471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 1321023082471 in words is "one trillion, three hundred twenty-one billion, twenty-three million, eighty-two thousand, four hundred seventy-one".