320101231279 has 2 divisors, whose sum is σ = 320101231280. Its totient is φ = 320101231278.

The previous prime is 320101231277. The next prime is 320101231339. The reversal of 320101231279 is 972132101023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320101231279 - 2¹ = 320101231277 is a prime.

Together with 320101231277, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 320101231279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320101231277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160050615639 + 160050615640.

It is an arithmetic number, because the mean of its divisors is an integer number (160050615640).

Almost surely, 2^320101231279 is an apocalyptic number.

320101231279 is a deficient number, since it is larger than the sum of its proper divisors (1).

320101231279 is an equidigital number, since it uses as much as digits as its factorization.

320101231279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 320101231279 in words is "three hundred twenty billion, one hundred one million, two hundred thirty-one thousand, two hundred seventy-nine".