320830061 has 2 divisors, whose sum is σ = 320830062. Its totient is φ = 320830060.

The previous prime is 320830039. The next prime is 320830073. The reversal of 320830061 is 160038023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250588900 + 70241161 = 15830^2 + 8381^2 .

It is an emirp because it is prime and its reverse (160038023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320830061 - 2¹⁴ = 320813677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320830031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160415030 + 160415031.

It is an arithmetic number, because the mean of its divisors is an integer number (160415031).

Almost surely, 2^320830061 is an apocalyptic number.

It is an amenable number.

320830061 is a deficient number, since it is larger than the sum of its proper divisors (1).

320830061 is an equidigital number, since it uses as much as digits as its factorization.

320830061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 320830061 is about 17911.7297043027. The cubic root of 320830061 is about 684.5812781888.

Adding to 320830061 its reverse (160038023), we get a palindrome (480868084).

The spelling of 320830061 in words is "three hundred twenty million, eight hundred thirty thousand, sixty-one".