13320331279 has 2 divisors, whose sum is σ = 13320331280. Its totient is φ = 13320331278.

The previous prime is 13320331267. The next prime is 13320331309. The reversal of 13320331279 is 97213302331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13320331279 - 2⁵ = 13320331247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13320331979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660165639 + 6660165640.

It is an arithmetic number, because the mean of its divisors is an integer number (6660165640).

Almost surely, 2^13320331279 is an apocalyptic number.

13320331279 is a deficient number, since it is larger than the sum of its proper divisors (1).

13320331279 is an equidigital number, since it uses as much as digits as its factorization.

13320331279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 34.

The spelling of 13320331279 in words is "thirteen billion, three hundred twenty million, three hundred thirty-one thousand, two hundred seventy-nine".