320321010101 has 2 divisors, whose sum is σ = 320321010102. Its totient is φ = 320321010100.

The previous prime is 320321010091. The next prime is 320321010109. The reversal of 320321010101 is 101010123023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284756707876 + 35564302225 = 533626^2 + 188585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320321010101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320321010109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160160505050 + 160160505051.

It is an arithmetic number, because the mean of its divisors is an integer number (160160505051).

Almost surely, 2^320321010101 is an apocalyptic number.

It is an amenable number.

320321010101 is a deficient number, since it is larger than the sum of its proper divisors (1).

320321010101 is an equidigital number, since it uses as much as digits as its factorization.

320321010101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 320321010101 its reverse (101010123023), we get a palindrome (421331133124).

The spelling of 320321010101 in words is "three hundred twenty billion, three hundred twenty-one million, ten thousand, one hundred one".