320412320351 has 2 divisors, whose sum is σ = 320412320352. Its totient is φ = 320412320350.

The previous prime is 320412320297. The next prime is 320412320453. The reversal of 320412320351 is 153023214023.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320412320351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320412320351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320412320551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160206160175 + 160206160176.

It is an arithmetic number, because the mean of its divisors is an integer number (160206160176).

Almost surely, 2^320412320351 is an apocalyptic number.

320412320351 is a deficient number, since it is larger than the sum of its proper divisors (1).

320412320351 is an equidigital number, since it uses as much as digits as its factorization.

320412320351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 320412320351 its reverse (153023214023), we get a palindrome (473435534374).

The spelling of 320412320351 in words is "three hundred twenty billion, four hundred twelve million, three hundred twenty thousand, three hundred fifty-one".