3287181298381 has 2 divisors, whose sum is σ = 3287181298382. Its totient is φ = 3287181298380.

The previous prime is 3287181298241. The next prime is 3287181298403. The reversal of 3287181298381 is 1838921817823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2206142825481 + 1081038472900 = 1485309^2 + 1039730^2 .

It is a cyclic number.

It is not a de Polignac number, because 3287181298381 - 2³⁵ = 3252821560013 is a prime.

It is a super-2 number, since 2×3287181298381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3287181598381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643590649190 + 1643590649191.

It is an arithmetic number, because the mean of its divisors is an integer number (1643590649191).

Almost surely, 2^{3287181298381} is an apocalyptic number.

It is an amenable number.

3287181298381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3287181298381 is an equidigital number, since it uses as much as digits as its factorization.

3287181298381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 61.

The spelling of 3287181298381 in words is "three trillion, two hundred eighty-seven billion, one hundred eighty-one million, two hundred ninety-eight thousand, three hundred eighty-one".