320232010261 has 2 divisors, whose sum is σ = 320232010262. Its totient is φ = 320232010260.

The previous prime is 320232010249. The next prime is 320232010333. The reversal of 320232010261 is 162010232023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277090643236 + 43141367025 = 526394^2 + 207705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320232010261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320232010201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160116005130 + 160116005131.

It is an arithmetic number, because the mean of its divisors is an integer number (160116005131).

Almost surely, 2^320232010261 is an apocalyptic number.

It is an amenable number.

320232010261 is a deficient number, since it is larger than the sum of its proper divisors (1).

320232010261 is an equidigital number, since it uses as much as digits as its factorization.

320232010261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 320232010261 its reverse (162010232023), we get a palindrome (482242242284).

The spelling of 320232010261 in words is "three hundred twenty billion, two hundred thirty-two million, ten thousand, two hundred sixty-one".