1331033320159 has 2 divisors, whose sum is σ = 1331033320160. Its totient is φ = 1331033320158.

The previous prime is 1331033320063. The next prime is 1331033320163. The reversal of 1331033320159 is 9510233301331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1331033320159 - 2²¹ = 1331031223007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331033320189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665516660079 + 665516660080.

It is an arithmetic number, because the mean of its divisors is an integer number (665516660080).

Almost surely, 2^{1331033320159} is an apocalyptic number.

1331033320159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331033320159 is an equidigital number, since it uses as much as digits as its factorization.

1331033320159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21870, while the sum is 34.

The spelling of 1331033320159 in words is "one trillion, three hundred thirty-one billion, thirty-three million, three hundred twenty thousand, one hundred fifty-nine".