320202232012391 has 2 divisors, whose sum is σ = 320202232012392. Its totient is φ = 320202232012390.

The previous prime is 320202232012387. The next prime is 320202232012409. The reversal of 320202232012391 is 193210232202023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320202232012391 - 2² = 320202232012387 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320202232042391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160101116006195 + 160101116006196.

It is an arithmetic number, because the mean of its divisors is an integer number (160101116006196).

Almost surely, 2^{320202232012391} is an apocalyptic number.

320202232012391 is a deficient number, since it is larger than the sum of its proper divisors (1).

320202232012391 is an equidigital number, since it uses as much as digits as its factorization.

320202232012391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 320202232012391 in words is "three hundred twenty trillion, two hundred two billion, two hundred thirty-two million, twelve thousand, three hundred ninety-one".