1331133133091 has 2 divisors, whose sum is σ = 1331133133092. Its totient is φ = 1331133133090.

The previous prime is 1331133133079. The next prime is 1331133133171. The reversal of 1331133133091 is 1903313311331.

It is a weak prime.

It is an emirp because it is prime and its reverse (1903313311331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1331133133091 - 2¹⁴ = 1331133116707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331133130091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665566566545 + 665566566546.

It is an arithmetic number, because the mean of its divisors is an integer number (665566566546).

Almost surely, 2^{1331133133091} is an apocalyptic number.

1331133133091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331133133091 is an equidigital number, since it uses as much as digits as its factorization.

1331133133091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6561, while the sum is 32.

The spelling of 1331133133091 in words is "one trillion, three hundred thirty-one billion, one hundred thirty-three million, one hundred thirty-three thousand, ninety-one".