321310103022091 has 2 divisors, whose sum is σ = 321310103022092. Its totient is φ = 321310103022090.

The previous prime is 321310103022049. The next prime is 321310103022133. The reversal of 321310103022091 is 190220301013123.

It is a balanced prime because it is at equal distance from previous prime (321310103022049) and next prime (321310103022133).

It is an emirp because it is prime and its reverse (190220301013123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321310103022091 - 2²³ = 321310094633483 is a prime.

It is not a weakly prime, because it can be changed into another prime (321310103022991) 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, 160655051511045 + 160655051511046.

It is an arithmetic number, because the mean of its divisors is an integer number (160655051511046).

Almost surely, 2^{321310103022091} is an apocalyptic number.

321310103022091 is a deficient number, since it is larger than the sum of its proper divisors (1).

321310103022091 is an equidigital number, since it uses as much as digits as its factorization.

321310103022091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 321310103022091 in words is "three hundred twenty-one trillion, three hundred ten billion, one hundred three million, twenty-two thousand, ninety-one".