321023140413389 has 2 divisors, whose sum is σ = 321023140413390. Its totient is φ = 321023140413388.

The previous prime is 321023140413383. The next prime is 321023140413433. The reversal of 321023140413389 is 983314041320123.

It is an a-pointer prime, because the next prime (321023140413433) can be obtained adding 321023140413389 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 282041223810889 + 38981916602500 = 16794083^2 + 6243550^2 .

It is a cyclic number.

It is not a de Polignac number, because 321023140413389 - 2²⁰ = 321023139364813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321023140413383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160511570206694 + 160511570206695.

It is an arithmetic number, because the mean of its divisors is an integer number (160511570206695).

Almost surely, 2^{321023140413389} is an apocalyptic number.

It is an amenable number.

321023140413389 is a deficient number, since it is larger than the sum of its proper divisors (1).

321023140413389 is an equidigital number, since it uses as much as digits as its factorization.

321023140413389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 321023140413389 in words is "three hundred twenty-one trillion, twenty-three billion, one hundred forty million, four hundred thirteen thousand, three hundred eighty-nine".