1288042771231 has 2 divisors, whose sum is σ = 1288042771232. Its totient is φ = 1288042771230.

The previous prime is 1288042771207. The next prime is 1288042771247. The reversal of 1288042771231 is 1321772408821.

It is a strong prime.

It is an emirp because it is prime and its reverse (1321772408821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1288042771231 - 2¹¹ = 1288042769183 is a prime.

It is a super-2 number, since 2×1288042771231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1288042771201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644021385615 + 644021385616.

It is an arithmetic number, because the mean of its divisors is an integer number (644021385616).

Almost surely, 2^{1288042771231} is an apocalyptic number.

1288042771231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1288042771231 is an equidigital number, since it uses as much as digits as its factorization.

1288042771231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 1288042771231 in words is "one trillion, two hundred eighty-eight billion, forty-two million, seven hundred seventy-one thousand, two hundred thirty-one".