321110032097 has 2 divisors, whose sum is σ = 321110032098. Its totient is φ = 321110032096.

The previous prime is 321110032091. The next prime is 321110032189. The reversal of 321110032097 is 790230011123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240045123136 + 81064908961 = 489944^2 + 284719^2 .

It is a cyclic number.

It is not a de Polignac number, because 321110032097 - 2⁸ = 321110031841 is a prime.

It is a super-2 number, since 2×321110032097² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321110032091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160555016048 + 160555016049.

It is an arithmetic number, because the mean of its divisors is an integer number (160555016049).

Almost surely, 2^321110032097 is an apocalyptic number.

It is an amenable number.

321110032097 is a deficient number, since it is larger than the sum of its proper divisors (1).

321110032097 is an equidigital number, since it uses as much as digits as its factorization.

321110032097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The spelling of 321110032097 in words is "three hundred twenty-one billion, one hundred ten million, thirty-two thousand, ninety-seven".