320049101 has 2 divisors, whose sum is σ = 320049102. Its totient is φ = 320049100.

The previous prime is 320049083. The next prime is 320049143. The reversal of 320049101 is 101940023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306285001 + 13764100 = 17501^2 + 3710^2 .

It is a cyclic number.

It is not a de Polignac number, because 320049101 - 2¹⁴ = 320032717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320049601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160024550 + 160024551.

It is an arithmetic number, because the mean of its divisors is an integer number (160024551).

Almost surely, 2^320049101 is an apocalyptic number.

It is an amenable number.

320049101 is a deficient number, since it is larger than the sum of its proper divisors (1).

320049101 is an equidigital number, since it uses as much as digits as its factorization.

320049101 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 20.

The square root of 320049101 is about 17889.9161820284. The cubic root of 320049101 is about 684.0253608519.

Adding to 320049101 its reverse (101940023), we get a palindrome (421989124).

The spelling of 320049101 in words is "three hundred twenty million, forty-nine thousand, one hundred one".