1280164144331 has 2 divisors, whose sum is σ = 1280164144332. Its totient is φ = 1280164144330.

The previous prime is 1280164144297. The next prime is 1280164144361. The reversal of 1280164144331 is 1334414610821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1280164144331 - 2³⁰ = 1279090402507 is a prime.

It is a super-2 number, since 2×1280164144331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1280164144361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640082072165 + 640082072166.

It is an arithmetic number, because the mean of its divisors is an integer number (640082072166).

Almost surely, 2^{1280164144331} is an apocalyptic number.

1280164144331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1280164144331 is an equidigital number, since it uses as much as digits as its factorization.

1280164144331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 1280164144331 in words is "one trillion, two hundred eighty billion, one hundred sixty-four million, one hundred forty-four thousand, three hundred thirty-one".