321100323097 has 2 divisors, whose sum is σ = 321100323098. Its totient is φ = 321100323096.

The previous prime is 321100323079. The next prime is 321100323199. The reversal of 321100323097 is 790323001123.

It is a happy number.

Together with previous prime (321100323079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316011498201 + 5088824896 = 562149^2 + 71336^2 .

It is a cyclic number.

It is not a de Polignac number, because 321100323097 - 2⁷ = 321100322969 is a prime.

It is not a weakly prime, because it can be changed into another prime (321100323067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160550161548 + 160550161549.

It is an arithmetic number, because the mean of its divisors is an integer number (160550161549).

Almost surely, 2^321100323097 is an apocalyptic number.

It is an amenable number.

321100323097 is a deficient number, since it is larger than the sum of its proper divisors (1).

321100323097 is an equidigital number, since it uses as much as digits as its factorization.

321100323097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The spelling of 321100323097 in words is "three hundred twenty-one billion, one hundred million, three hundred twenty-three thousand, ninety-seven".