320433101 has 2 divisors, whose sum is σ = 320433102. Its totient is φ = 320433100.

The previous prime is 320433097. The next prime is 320433107. The reversal of 320433101 is 101334023.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310816900 + 9616201 = 17630^2 + 3101^2 .

It is a cyclic number.

It is not a de Polignac number, because 320433101 - 2² = 320433097 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320433101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320433107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160216550 + 160216551.

It is an arithmetic number, because the mean of its divisors is an integer number (160216551).

Almost surely, 2^320433101 is an apocalyptic number.

It is an amenable number.

320433101 is a deficient number, since it is larger than the sum of its proper divisors (1).

320433101 is an equidigital number, since it uses as much as digits as its factorization.

320433101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 320433101 is about 17900.6452676992. The cubic root of 320433101 is about 684.2988196822.

Adding to 320433101 its reverse (101334023), we get a palindrome (421767124).

The spelling of 320433101 in words is "three hundred twenty million, four hundred thirty-three thousand, one hundred one".